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WO2019019880A1 - Dispositif d'affichage à cristaux liquides - Google Patents

Dispositif d'affichage à cristaux liquides Download PDF

Info

Publication number
WO2019019880A1
WO2019019880A1 PCT/CN2018/094159 CN2018094159W WO2019019880A1 WO 2019019880 A1 WO2019019880 A1 WO 2019019880A1 CN 2018094159 W CN2018094159 W CN 2018094159W WO 2019019880 A1 WO2019019880 A1 WO 2019019880A1
Authority
WO
WIPO (PCT)
Prior art keywords
receiving space
liquid crystal
display device
crystal display
plate
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/CN2018/094159
Other languages
English (en)
Chinese (zh)
Inventor
饶春利
杨福军
严方红
刘亚东
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.)
Shenzhen TCL New Technology Co Ltd
Original Assignee
Shenzhen TCL New Technology Co 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 Shenzhen TCL New Technology Co Ltd filed Critical Shenzhen TCL New Technology Co Ltd
Publication of WO2019019880A1 publication Critical patent/WO2019019880A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods

Definitions

  • the present application relates to the field of display devices, and in particular, to a liquid crystal display device.
  • common liquid crystal display devices such as liquid crystal displays, liquid crystal televisions, mobile phones, tablet computers, etc.
  • a front case a rear case, a small back case, a display module, and an electronic control module, wherein the display module Installed between the front and rear casings, the electronic control module is installed between the rear casing and the small rear casing. Since the small back shell and the back shell are connected separately, and the split joints are usually exposed, the integrated style of the liquid crystal display device is weakened, which affects the user experience.
  • the main purpose of the present application is to propose a liquid crystal display device aimed at enhancing the integrated style of the liquid crystal display device.
  • the liquid crystal display device proposed by the present application includes:
  • a housing having a first receiving space that is open toward the front, and the housing includes a backing plate for forming a bottom of the first receiving space, and the inner side of the backing plate is formed to be partially outward An extended second receiving space;
  • the display module includes a display screen and an optical film set, and the display module is mounted in the first receiving space;
  • the electronic control module is mounted on the bottom of the second receiving space.
  • the second receiving space is formed by partially arching the back plate outward.
  • the receiving opening of the second receiving space is provided with a cover.
  • the inner side surface of the back plate is provided with a positioning sinking groove at a periphery of the receiving opening, and a circumference of the cover plate is overlapped with the positioning sinking groove, so that the front plate of the cover plate The surface is flush with the inner side surface of the back plate; or, the second receiving space is provided with a plurality of positioning posts, and the positioning post abuts against the rear plate surface of the cover plate, so that the cover plate The front panel surface is flush with the inner side surface of the back panel.
  • the cover plate is detachably connected to the back plate.
  • the cover is a plastic plate.
  • the inner side surface of the backboard is provided with a plurality of wire sinking slots at a lower edge of the receiving opening of the second receiving space.
  • the electronic control module is detachably fixed in the second receiving space.
  • the second receiving space has opposite side walls extending in an up-and-down direction, and at least one of the two side walls is provided with a plug port for external connection lines and The electrical control module is connected.
  • the second receiving space has a depth ranging from 25 mm to 30 mm.
  • the second receiving space for mounting the electronic control module is formed by partially extending outward from the inner side of the backboard. It can be understood that the receiving opening of the second receiving space is located in the backing plate. The side surface, in this way, compared with the second housing space formed by the small small back shell and the rear shell connected to each other, the back surface of the back board can be prevented from forming a separate joint exposed, thereby enhancing the liquid crystal display device The integrated style of the whole machine enhances the user experience.
  • FIG. 1 is a schematic exploded view of an embodiment of a liquid crystal display device of the present application.
  • Figure 2 is an enlarged schematic view of a portion A in Figure 1.
  • Label name Label name 1 case 14 Second containment space 15 Cover 16 Positioning sink 17 Trough 2 Display module twenty two Display twenty three Optical film set 231 Light guide 232 A reflective sheet 233 DOP diaphragm 6 Electronic control module
  • the directional indication is only used to explain in a certain posture (as shown in the drawing)
  • first”, “second”, etc. in the embodiments of the present application, the description of "first”, “second”, etc. is used for descriptive purposes only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
  • features defining “first” and “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. Nor is it within the scope of protection required by this application.
  • the application proposes a liquid crystal display device.
  • the liquid crystal display device includes:
  • a housing 1 having a first receiving space that is open toward the front, and the housing 1 includes a backing plate for forming a bottom of the first receiving space, and the inner side of the backing plate is formed to extend partially outward Second receiving space 14;
  • the display module 2 includes a display screen 22 and an optical film group 23, and the display module 2 is mounted in the first receiving space;
  • the electronic control module 6 is mounted on the bottom of the second receiving space 14 .
  • the optical film set 23 includes a reflective sheet 232, a light guide plate 231, and other optical films (for example, the DOP film 233); and the display screen 22 generally employs an LCD screen.
  • the second receiving space 14 is preferably formed by partially arching the back plate. The forming method is simple and easy to produce. It can be understood that the receiving port of the second receiving space 14 for connecting the first receiving space is located. The inner side of the backboard; however, the design is not limited thereto. In other embodiments, when the backboard is thick enough, the second receiving space 14 may be directly recessed on the inner side of the backboard.
  • the housing 1 can also have a flat back surface.
  • the arched portion of the backboard for restricting the second receiving space 14 is provided with a heat dissipation hole corresponding to the electronic control module 6 to ensure heat dissipation of the electronic control module 6.
  • the depth of the second receiving space 14 is preferably 25 mm to 30 mm. It can be understood that if the depth of the second receiving space 14 is too large, the amount of embossing required for the back plate is large, and the preparation difficulty is high. The cost is high, and the product is bloated; if the depth of the second receiving space 14 is too small, the installation position of the electronic control module 6 may be insufficient, and the heat dissipation is not good; the second receiving space 14 in this embodiment has a moderate depth. Can balance the low cost of the product and good heat dissipation. However, the present design is not limited thereto. In other embodiments, the depth of the second receiving space 14 can be appropriately adjusted according to the required volume of the electronic control module 6.
  • the receiving opening is preferably provided with a cover plate 15 for mainly preventing dust.
  • the liquid crystal display device further includes a front case (not shown) that encloses the first receiving space together with the casing 1, and a plastic frame (not shown) located in the first receiving space. Therefore, when assembling, the electronic control module 6 is first mounted to the bottom of the second receiving space 14, and then the cover 15 is covered, and then the reflective sheet 232, the light guide plate 231, the plastic frame, other optical films and the display screen are sequentially disposed. 22 is installed into the first receiving space, and finally the front case is fixed to the housing 1 to complete the assembly of the main body portion of the liquid crystal display device.
  • the second receiving space 14 for mounting the electronic control module 6 is formed by partially extending outward from the inner side of the backboard, and the receiving opening of the second receiving space 14 is located on the backboard.
  • the inner side surface thus, compared with the second receiving space 14 formed by the connection of the small small rear case 1 and the rear case 1 , the rear side of the back plate can be prevented from being formed with the exposed body connecting portion, thereby Enhance the integrated style of the LCD device to enhance the user experience.
  • the inner side surface of the back plate is provided with a positioning sinking groove 16 at the periphery of the receiving opening, and the peripheral edge of the cover plate 15 is overlapped with the positioning sinking groove 16 so that the front surface of the cover plate 15 It is flush with the inner side of the back panel.
  • the depth of the positioning sinking groove 16 is equal to the thickness of the cover plate 15.
  • the front plate surface of the cover plate 15 and the inner side surface of the back plate are flushly disposed, so that the entire back surface of the reflective sheet 232 can be fitted together, avoiding the back surface of the reflective sheet 232 to the cover plate 15 and the back.
  • the distances of the plates are different to produce display defects of different brightness and darkness.
  • the present design is not limited thereto.
  • a plurality of height-adjustable positioning posts may be disposed in the second receiving space 14 and the cover plate may be resisted by the positioning posts.
  • the front surface of the 15 is flush with the inner side of the back panel.
  • the cover plate 15 is preferably detachably connected to the backboard.
  • the cover plate 15 can be connected to the backboard by means of a screw lock or a snap connection; however, the design is not limited thereto. In other embodiments, the cover plate 15 can also be adhesively fixed to the positioning. Sinking 16.
  • the cover 15 is a plastic plate.
  • the cover plate 15 can be, but not limited to, a PVC board or a PC board, etc.
  • Plastics such as PVC plastic and PC plastic are common plastics, are easily available, and can be prepared into the cover plate 15 by a simple cutting process or a stamping process. Shape, easy to mass production.
  • plastics such as PVC plastics and PC plastics are cheaper, which helps to reduce product costs.
  • the cover plate 15 may also be provided as a metal plate, such as, but not limited to, an iron plate, an aluminum plate, or the like.
  • the thickness of the cover plate 15 is preferably in the range of 1 mm to 1.5 mm in order to balance the low cost and form stability of the cover plate 15.
  • the inner side of the backboard is provided with a plurality of wire sinking slots 17 at the lower edge of the receiving opening.
  • the backlight strip of the liquid crystal display device is generally disposed corresponding to the bottom edge of the light guide plate 231, and the backlight strip needs to be connected to the electronic control module 6 through the connecting wire;
  • the electrical connection locations to which the modules 6 are connected are also typically disposed at the bottom edge of the display screen 22.
  • a portion of the plurality of wire sinking slots 17 extend to the bottom edge of the display screen 22 for the connection wires between the display screen 22 and the electronic control module 6 to enter the second receiving space 14;
  • a portion of the sinker 17 extends to the backlight strip for the connection between the backlight strip and the electronic control module 6 to enter the second receiving space 14.
  • the connecting wire can be prevented from protruding from the inner side surface of the backing plate, and the fitting and mounting between the reflective sheet 232 and the inner side surface of the backing plate can be affected.
  • the electronic control module 6 is detachably fixed in the second receiving space 14 to facilitate fault repair of the electronic control module 6.
  • the electronic control module 6 generally includes a main control board integrated with a power module and a source module. It can be understood that the display 22 and the backlight strip are electrically connected to the main control board; There is a motherboard fixing post (not shown), the main board fixing post is a screw hole column, and the main control board is provided with a screw through hole corresponding to the main board fixing post, and the screw passes through the screw through hole and is screwed into the screw hole of the main board fixing post, and The main control board is fixed in the second receiving space 14; of course, in other embodiments, the main control board can also be fixed in the second receiving space 14 by means of a snap connection.
  • the electronic control module 6 may further include a phase separation power sub-board and a source sub-board, respectively processing the power supply signal and the image signal.
  • the second receiving space 14 has opposite side walls extending in the up and down direction, and at least one of the two side walls is provided with a plug port (not shown), and the plug port is used for external connection lines and electricity.
  • the control module 6 is connected.
  • the plug port is disposed on the sidewall of the second receiving space 14
  • the plugging port is disposed on the bottom wall of the second receiving space 14 to have a larger plugging operation.
  • the space is convenient for the user to use; and compared with the technical solution of disposing the plug port on the top wall of the second receiving space 14, the possibility of the plug port being covered with ash can be reduced.
  • the plug port includes a source socket and a power socket.
  • the source socket is electrically connected to the source module on the main control board for use in various signal lines ( The TV signal cable, the network signal cable, and the like are plugged in, and the power socket is electrically connected to the power module on the main control board for plugging in the power cable; wherein the source socket is disposed on one side of the second receiving space 14 The wall and the power socket are disposed on the other side wall of the second receiving space 14.
  • the classification of the plug port is realized, which is more convenient for the user to use.

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

L'invention concerne un dispositif d'affichage à cristaux liquides, comprenant : un boîtier, le boîtier étant pourvu d'un premier espace de réception ayant une ouverture tournée vers l'avant, le boîtier comprenant une plaque arrière utilisée pour former le fond du premier espace de réception, l'intérieur de la plaque arrière étant formé avec un second espace de réception qui s'étend en partie vers l'extérieur ; un module d'affichage, le module d'affichage comprenant un écran d'affichage et un ensemble de films optiques, le module d'affichage étant monté dans le premier espace de réception ; un module de commande électronique, le module de commande électronique étant monté au fond du second espace de réception.
PCT/CN2018/094159 2017-07-27 2018-07-03 Dispositif d'affichage à cristaux liquides Ceased WO2019019880A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720938251.3U CN206906752U (zh) 2017-07-27 2017-07-27 液晶显示设备
CN201720938251.3 2017-07-27

Publications (1)

Publication Number Publication Date
WO2019019880A1 true WO2019019880A1 (fr) 2019-01-31

Family

ID=61312414

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/094159 Ceased WO2019019880A1 (fr) 2017-07-27 2018-07-03 Dispositif d'affichage à cristaux liquides

Country Status (2)

Country Link
CN (1) CN206906752U (fr)
WO (1) WO2019019880A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207010831U (zh) * 2017-07-27 2018-02-13 深圳Tcl新技术有限公司 液晶电视机
CN206906752U (zh) * 2017-07-27 2018-01-19 深圳Tcl新技术有限公司 液晶显示设备

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060032710A (ko) * 2004-10-13 2006-04-18 엘지.필립스 엘시디 주식회사 액정표시장치
CN101588465A (zh) * 2009-07-06 2009-11-25 广州视景显示技术研发有限公司 一种一体化液晶电视机
CN101930259A (zh) * 2009-06-25 2010-12-29 鸿富锦精密工业（深圳）有限公司 显示器及电脑
US20100328862A1 (en) * 2009-06-26 2010-12-30 Chung-Min Wang Display device
CN102043264A (zh) * 2009-10-14 2011-05-04 奇美电子股份有限公司 液晶显示装置及其组装方法
CN202153287U (zh) * 2011-07-04 2012-02-29 同方国际有限公司 液晶显示器
CN203311124U (zh) * 2013-05-31 2013-11-27 Tcl光电科技(惠州)有限公司 显示设备
CN206906752U (zh) * 2017-07-27 2018-01-19 深圳Tcl新技术有限公司 液晶显示设备

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060032710A (ko) * 2004-10-13 2006-04-18 엘지.필립스 엘시디 주식회사 액정표시장치
CN101930259A (zh) * 2009-06-25 2010-12-29 鸿富锦精密工业（深圳）有限公司 显示器及电脑
US20100328862A1 (en) * 2009-06-26 2010-12-30 Chung-Min Wang Display device
CN101588465A (zh) * 2009-07-06 2009-11-25 广州视景显示技术研发有限公司 一种一体化液晶电视机
CN102043264A (zh) * 2009-10-14 2011-05-04 奇美电子股份有限公司 液晶显示装置及其组装方法
CN202153287U (zh) * 2011-07-04 2012-02-29 同方国际有限公司 液晶显示器
CN203311124U (zh) * 2013-05-31 2013-11-27 Tcl光电科技(惠州)有限公司 显示设备
CN206906752U (zh) * 2017-07-27 2018-01-19 深圳Tcl新技术有限公司 液晶显示设备

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