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WO2019114503A1 - Ensemble écran d'affichage et dispositif électronique - Google Patents

Ensemble écran d'affichage et dispositif électronique Download PDF

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Publication number
WO2019114503A1
WO2019114503A1 PCT/CN2018/116402 CN2018116402W WO2019114503A1 WO 2019114503 A1 WO2019114503 A1 WO 2019114503A1 CN 2018116402 W CN2018116402 W CN 2018116402W WO 2019114503 A1 WO2019114503 A1 WO 2019114503A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
ink layer
display screen
reflective
ink
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/116402
Other languages
English (en)
Chinese (zh)
Inventor
周意保
王小伟
钱勇军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of WO2019114503A1 publication Critical patent/WO2019114503A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components

Definitions

  • the present invention relates to the technical field of electronic devices, and in particular, to a display screen assembly and an electronic device.
  • the display screen of a mobile terminal generally includes a display area and a non-display area.
  • the display screen is provided with a cover plate, and the outer periphery of the window area of the cover plate is generally provided with an ink layer, and the ink layer can block the non-display area of the display screen.
  • the ink layer at the edge of the window area is prone to bright edge problems.
  • a display assembly comprising:
  • a cover plate comprising a substrate, an ink layer and a reflective layer; the substrate is transparent; the ink layer is disposed on one side of the substrate, the ink layer defines a window region; and the ink layer is located on the substrate Between the display screens, and the ink layer blocks a non-display area of the display screen; the reflective layer is disposed on an outer circumference of the window area, and the reflective layer is connected to the ink layer.
  • An electronic device comprising:
  • the display assembly includes a display screen and a cover plate; the display screen is at least partially received in the rear case, and the cover plate is fixedly connected to the rear case; the cover plate includes a substrate, an ink layer and a reflective layer
  • the substrate is transparent; the ink layer is disposed on one side of the substrate, the ink layer defines a window region; the ink layer is located between the substrate and the display screen, and the ink
  • the layer blocks the non-display area of the display screen; the reflective layer is disposed on an outer circumference of the window area, and the reflective layer is coupled to the ink layer.
  • An electronic device comprising:
  • a display screen assembly comprising a display screen and a cover plate; the display screen is fixedly connected to the housing, and the cover plate is disposed on the display screen; the cover plate comprises a substrate, an ink layer and a reflective layer, The ink layer is disposed on a side of the substrate facing the display screen, the ink layer defines a window region, the reflective layer is disposed on an outer circumference of the window region and is connected to the ink layer; An orthographic projection of the inner edge of the layer on the display screen is located within the display area of the display screen.
  • the ink layer of the cover defines a window area
  • the cover is disposed on the display
  • the ink layer can block the non-display area of the display.
  • the non-display area becomes invisible due to the blocking of the ink layer, thereby eliminating the black edge of the display.
  • the outer periphery of the window area is provided with a reflective layer, when the light emitted from the display area is irradiated onto the reflective layer, it can be reflected to the display area or the window area, and the light emitted to the ink layer cannot pass through the ink layer, thereby preventing the ink layer from being formed.
  • the edge produces a bright edge phenomenon.
  • FIG. 1 is a perspective view of an electronic device in an embodiment
  • Figure 2 is a front elevational view of the electronic device of Figure 1;
  • Figure 3 is a cross-sectional view along line A-A of an embodiment of the electronic device of Figure 2;
  • FIG. 4 is a cross-sectional view of the display assembly of the electronic device of FIG. 3;
  • Figure 5 is a cross-sectional view of the display assembly of another embodiment of the electronic device of Figure 3;
  • Figure 6 is a cross-sectional view along line A-A of another embodiment of the electronic device of Figure 2;
  • Figure 7 is a cross-sectional view of the display assembly of the electronic device of Figure 6;
  • Figure 8 is a cross-sectional view of the display assembly of another embodiment of the electronic device of Figure 3;
  • FIG. 9 is a cross-sectional view of a display assembly in accordance with yet another embodiment of the electronic device of FIG.
  • the electronic device 10 is a mobile phone, and the electronic device 10 includes a display assembly 100 and a rear case 200.
  • the display assembly 100 is fixedly coupled to the rear case 200.
  • the display screen assembly 100 includes a cover plate 110 and a display screen 120.
  • the cover plate 110 is disposed on the display screen 120.
  • the display screen 120 is at least partially received in the rear case 200, and the cover plate 110 and the rear cover 110
  • the case 200 is fixedly connected.
  • the display screen 120 includes a display area 121 and a non-display area 123 (Black Matrix).
  • the display area 121 can be used to display information and provide an interactive interface for the user.
  • the display screen 120 uses an LCD (Liquid Crystal Display) screen for displaying information
  • the LCD screen can be a TFT (Thin Film Transistor) screen or an IPS (In-Plane Switching). Screen or SLCD (Splice Liquid CrystalDisplay) screen.
  • the electronic device 10 can also be a flat panel or the like.
  • the cover plate 110 includes a substrate 111, an ink layer 113, and a reflective layer 115, and the substrate 111 is transparent.
  • the substrate 111 has a substantially rectangular shape, and the substrate 111 may be made of glass or sapphire.
  • the substrate 111 has good light transmission properties.
  • the ink layer 113 is disposed on one side of the substrate 111, and the ink layer 113 defines a window region 300 that is adapted to the display region 121 of the display screen 120. It can be understood that the adaptation of the window area 300 to the display area 121 means that the orthographic projection of the window area 300 on the display screen 120 coincides with the display area 121. It can be understood that the coincidence should consider the existence of machining errors.
  • the window area 300 can be considered positive on the display screen 120.
  • the projection coincides with the display area 121.
  • the display screen 120 is lit, the display area 121 displays information, and the light of the display area 121 passes through the window area 300 of the substrate 111, and the user can view the displayed information from the window area 300.
  • the cover plate 110 is disposed on the display screen 120, the ink layer 113 is located between the substrate 111 and the display screen 120, and the ink layer 113 blocks the non-display area 123 of the display screen 120.
  • the reflective layer 115 is disposed on the outer periphery of the window region 300, and the reflective layer 115 is coupled to the ink layer 113.
  • the reflective layer 115 serves to prevent light emitted from the display screen 120 from passing through the ink layer 113.
  • the reflective layer 115 is a silver reflective layer 115.
  • the reflective layer 115 includes a plurality of layers of silver atoms, the reflective layer 115 has a higher reflectivity, and the light emitted from the display region 121 onto the reflective layer 115 is specularly reflected on the reflective layer 115. This portion of the light is reflected toward the display area 121 or the window area 300 and does not pass through the ink layer 113, so that the bright edge of the ink layer 113 near the inner edge of the display area 121 can be avoided.
  • the thickness of the reflective layer 115 can be made extremely thin. For example, when the reflective layer 115 is the silver reflective layer 115, the thickness of the reflective layer 115 is almost invisible visually.
  • the reflective layer 115 can also adopt other materials with high reflectivity.
  • the orthographic projection of the inner edge of the reflective layer 115 on the display screen 120 is located within the display area 121, and the reflective layer 115 may block the pixel of the partial display area 121, which is partially blocked. Points may not be used for display.
  • the above arrangement can ensure the reflection effect of the reflective layer 115 on the edge of the display area 121, and prevent the non-display area 123 from being exposed to black spots due to the mounting error of the cover 110.
  • the orthographic projection of the reflective layer 115 on the display screen 120 coincides with the edge of the display area 121, thereby ensuring that the display area 121 of the display screen 120 is fully utilized.
  • the substrate 111 is a flat glass, the planar glass processing cost is low, and the planar substrate 111 facilitates the processing of the ink layer 113.
  • the substrate 111 can be a curved glass, such as 2.5D glass or 3D glass.
  • the reflective layer 115 may be stepped, that is, the reflective layer 115 extends from the display region 121 to the non-display region 123 and is stepped.
  • the reflective layer 115 has a reflective surface 116, which may be planar, and the reflective surface 116 may be perpendicular or parallel to the display screen 120.
  • the reflective surface 116 includes a first reflective surface 1161, a second reflective surface 1163, and a third reflective surface 1165.
  • the first reflective surface 1161 and the third reflective surface 1165 are both perpendicular to the display screen 120.
  • the two reflecting surfaces 1163 are parallel to the display screen 120.
  • the light emitted from the display area 121 onto the reflective layer 115 is specularly reflected on the first reflective surface 1161, the second reflective surface 1163, and the third reflective surface 1165, and the light does not pass through the ink layer 113, thereby preventing the ink layer 113 from being prevented.
  • the inner edge produces a bright edge phenomenon. It can be understood that the vertical of the first reflective surface 1161 and the second reflective surface 1163 and the display screen 120 is not necessary, and the parallel of the second reflective surface 1163 and the display screen 120 is not necessary.
  • the reflective surface 116 of the reflective layer 115 is a flat surface, and the reflective surface 116 is disposed obliquely toward the display area 121, and the angle between the reflective surface 116 and the display screen 120 is an acute angle.
  • the reflective surface 116 is simple in structure and easy to process.
  • the function of the reflective layer 115 is to prevent the light emitted from the display screen 120 from passing through the ink layer 113, thereby preventing the bright edge phenomenon from occurring on the inner edge of the ink layer 113 near the display area 121.
  • the reflecting surface 116 can be variously modified, and will not be described again here.
  • the ink layer 113 of the cover plate 110 defines a window area 300, the window area 300 is adapted to the display area 121, the cover plate 110 can be covered on the display screen 120, and the ink layer 113 can block the display screen 120.
  • Non-display area 123 When the display screen 120 is illuminated, the non-display area 123 becomes invisible due to the occlusion of the ink layer 113, thereby eliminating the black edge phenomenon of the display screen 120.
  • the outer periphery of the window region 300 is provided with the reflective layer 115, when the light emitted from the display region 121 is irradiated onto the reflective layer 115, it can be reflected toward the display region 121 or the window region 300, and the light emitted from the display region 121 toward the ink layer 113 is emitted.
  • the ink layer 113 is not permeable, so that a bright edge phenomenon can be prevented from occurring at the edge of the ink layer 113.
  • the ink layer 113 includes a first ink layer 1131 and a second ink layer 1133.
  • the first ink layer 1131 and the second ink layer 1133 are connected, and the first ink layer 1131 is located on the substrate.
  • the brightness of the first ink layer 1131 is greater than the brightness of the second ink layer 1133.
  • Brightness is a parameter used to characterize the brightness of a color. For example, white has a brightness of 100% and black has a brightness of 0%.
  • the first ink layer 1131 is a light ink layer and the second ink layer 1133 is a dark ink layer.
  • the first ink layer 1131 is a white ink layer having a brightness of 100%, and the user can directly observe the appearance of the first ink layer 1131.
  • the second ink layer 1133 is a black ink layer having a brightness of 0%.
  • the second ink layer 1133 may also be a gray ink layer, which can provide a good light blocking effect.
  • the second ink layer 1133 can also serve as a primer layer such that the brightness of the first ink layer 1131 appears higher.
  • the second ink layer 1133 may make the first ink layer 1131 appear whiter, thereby beautifying the electronic device 10 Appearance.
  • the thickness of the first ink layer 1131 is greater than or equal to the thickness of the second ink layer 1133.
  • the white color of the first ink layer 1131 may be made whiter to prevent the color of the first ink layer 1131 from being dark due to the light transmitting property of the white ink.
  • the orthographic projection of the inner edge of the first ink layer 1131 on the display screen 120 is located within the display area 121. That is, when the first ink layer 1131 is printed, the area of the window region 300 of the cover 110 may be smaller than the area of the display area 121 of the display screen 120, and the inner edge of the first ink layer 1131 is projected on the display screen 120. The distance of the edge of 121 may be less than 0.15 mm.
  • the first ink layer 1131 may block part of the pixel points of the display screen 120, and the pixel points blocked by the first ink layer 1131 may be This part of the pixel is adjusted by a software control method. For example, the partially occluded pixel point may not be illuminated, that is, the part of the pixel is not used for display. Further, in an embodiment, the orthographic projection of the inner edge of the first ink layer 1131 on the display screen 120 may coincide with the edge of the display area 121, that is, the window area 300 of the cover 110 and the display area 121 of the display screen 120. The alignment is such that the display area 121 of the display screen 120 can all be used for display, and it is necessary to make adjustments to the pixel points in the display area 121 because the first ink layer 1131 blocks the display area 121.
  • the rear case 200 is a metal material such as an aluminum alloy.
  • the rear case 200 includes a body 210 and a flange 220 integrally formed on the body 210.
  • the flange 220 is disposed on the outer periphery of the cover plate 110, and forms a half-pack structure for the cover plate 110, and the cover plate 110 is fixedly coupled to the body 210.
  • a dispensing layer 400 is disposed between the second ink layer 1133 and the body 210, the dispensing layer 400 is a viscous material, and the cover 110 and the rear housing 200 are fixed by the dispensing layer 400. connection.
  • the fixed connection by means of dispensing is advantageous for the fixed connection of the cover plate 110 and the rear case 200, and also for reducing the width of the frame of the rear case 200.
  • the body 210 has a resisting surface 211, and the dispensing layer 400 is located on the resisting surface 211.
  • the dispensing layer 400 is located between the ink layer 113 and the resisting surface 211 of the body 210.
  • the maximum height of the abutting surface 211 is greater than the maximum height of the flange 220 and the abutting surface 211.
  • the maximum height of the cover plate 110 and the abutting surface 211 is H
  • the maximum height of the flange 220 and the abutting surface 211 is h
  • H>h the flange 220 of the rear case 200 can provide good protection to the cover 110, and the electronic device 10 can obtain a better appearance.
  • the rear case 200 may also be a material such as ceramic, glass, or plastic.
  • the first ink layer 1131 may include a first single layer 1132 and a second single layer 1134.
  • the first single layer 1132 covers one side of the substrate 111 and is connected to the substrate 111.
  • Layer 1132 defines window area 300.
  • the second single layer 1134 covers the side of the first single layer 1132 away from the substrate 111 and is connected to the first single layer 1132.
  • the second ink layer 1133 covers the side of the second single layer 1134 away from the substrate 111 and is Two single layer 1134 connections.
  • the first ink layer 1131 is the white ink layer 113
  • the components of the first single layer 1132 and the second single layer 1134 are all white ink
  • the first single layer 1132 and the second single layer 1134 are layer printed.
  • the method is printed onto the substrate 111.
  • the multilayer printing method is advantageous for increasing the brightness of the first ink layer 1131.
  • the first single layer 1132 and the second single layer 1134 are printed in a layered printing manner such that the first ink layer 1131 can be made whiter.
  • the orthographic projection of the inner edge of the first single layer 1132 on the display screen 120 is located in the display area 121, and the inner edge of the second single layer 1134 and the inner edge of the first single layer 1132 are on the cover plate 110.
  • the pitch in the width direction is less than 0.15 mm.
  • the first single layer 1132 and the second single layer 1134 form a stepped structure, and the width of the second single layer 1134 is smaller than the width of the first single layer 1132.
  • Zone 300 is contaminated with ink to increase subsequent processing operations. Further, in an embodiment, the orthographic projection of the inner edge of the first single layer 1132 on the display screen 120 coincides with the edge of the display area 121 such that the window area 300 of the cover 110 can be displayed with the display area 121 of the display screen 120. Align to take full advantage of the display area 121 of the display screen 120.
  • the orthographic projection of the inner edge of the second ink layer 1133 on the display screen 120 coincides with the orthographic projection of the inner edge of the second single layer 1134 on the display screen 120.
  • the error of the inner edge of the second ink layer 1133 and the inner edge of the second single layer 1134 in the width direction may be controlled within 0.15 mm so that the inner edge of the second ink layer 1133 is orthographically projected on the display screen 120.
  • the orthographic projection of the inner edge of the second single layer 1134 on the display screen 120 substantially coincides and can meet the processing error requirements.
  • the light shielding property of the second ink layer 1133 can ensure that the side of the first ink layer 1131 close to the display screen 120 is sufficiently blocked, the first ink layer 1131 is prevented from transmitting light, and the second ink layer 1133 can be prevented.
  • the inner edge of the display is beyond the first ink layer 1131, and the black edge phenomenon occurs again at the edge of the display area 121 of the display screen 120.
  • the number of layers of the first ink layer 1131 may be three or more layers, and the plurality of layers of ink are sequentially stacked on the same side of the substrate 111, so that the brightness of the first ink layer 1131 can be improved.
  • the white ink layer printed by the multi-layer printing method can make the first ink layer 1131 look whiter to beautify the appearance of the electronic device 10.
  • the second ink layer 1133 may also be a plurality of layers, and the multi-layer printing method is advantageous for improving the brightness of the second ink layer 1133, which will not be described herein.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

Un ensemble écran d'affichage (100), comprenant une plaque de recouvrement (110) et un écran d'affichage (120), la plaque de recouvrement (110) comprenant un substrat (111), une couche d'encre (113) et une couche réfléchissante (115), le substrat (111) étant transparent, la couche d'encre (113) étant disposée sur un côté du substrat (111), la couche d'encre (113) définissant une zone de fenêtre (300), la couche d'encre (113) étant située entre le substrat (111) et l'écran d'affichage (120), la couche d'encre (113) bloquant une zone de non-affichage (123) de l'écran d'affichage (120), la couche réfléchissante (115) étant disposée sur la périphérie extérieure de la zone de fenêtre (300), la couche réfléchissante (115) étant reliée à la couche d'encre (113).
PCT/CN2018/116402 2017-12-11 2018-11-20 Ensemble écran d'affichage et dispositif électronique Ceased WO2019114503A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711311514.9A CN108040143A (zh) 2017-12-11 2017-12-11 盖板、显示模组和移动终端
CN201711311514.9 2017-12-11

Publications (1)

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WO2019114503A1 true WO2019114503A1 (fr) 2019-06-20

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN111965871A (zh) * 2020-08-05 2020-11-20 武汉华星光电技术有限公司 显示装置
US12184420B2 (en) 2019-07-12 2024-12-31 Lenovo (Beijing) Limited Apparatus and method of one-shot HARQ-ACK codebook determination

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CN108040143A (zh) * 2017-12-11 2018-05-15 广东欧珀移动通信有限公司 盖板、显示模组和移动终端
CN109547676B (zh) * 2018-11-27 2020-07-28 维沃移动通信（杭州）有限公司 摄像孔盖板、摄像孔盖板处理方法及移动终端
CN110989240B (zh) * 2019-12-26 2022-10-28 上海天马微电子有限公司 显示模组、电子设备及显示模组的制备方法
CN115314575A (zh) * 2021-05-08 2022-11-08 北京有竹居网络技术有限公司 终端及终端表面盖板制备的方法

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US12184420B2 (en) 2019-07-12 2024-12-31 Lenovo (Beijing) Limited Apparatus and method of one-shot HARQ-ACK codebook determination
CN111965871A (zh) * 2020-08-05 2020-11-20 武汉华星光电技术有限公司 显示装置

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