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AU2003300905A1 - Led driver apparatus and method - Google Patents

Led driver apparatus and method

Info

Publication number
AU2003300905A1
AU2003300905A1 AU2003300905A AU2003300905A AU2003300905A1 AU 2003300905 A1 AU2003300905 A1 AU 2003300905A1 AU 2003300905 A AU2003300905 A AU 2003300905A AU 2003300905 A AU2003300905 A AU 2003300905A AU 2003300905 A1 AU2003300905 A1 AU 2003300905A1
Authority
AU
Australia
Prior art keywords
led driver
driver apparatus
led
driver
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.)
Abandoned
Application number
AU2003300905A
Other versions
AU2003300905A8 (en
Inventor
Charles Holloman
Nejo Necar
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.)
Semtech Corp
Original Assignee
Semtech Corp
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 Semtech Corp filed Critical Semtech Corp
Publication of AU2003300905A1 publication Critical patent/AU2003300905A1/en
Publication of AU2003300905A8 publication Critical patent/AU2003300905A8/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
AU2003300905A 2003-10-20 2003-12-12 Led driver apparatus and method Abandoned AU2003300905A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US51315103P 2003-10-20 2003-10-20
US60/513,151 2003-10-20
PCT/US2003/039647 WO2005048231A1 (en) 2003-10-20 2003-12-12 Led driver apparatus and method

Publications (2)

Publication Number Publication Date
AU2003300905A1 true AU2003300905A1 (en) 2004-06-06
AU2003300905A8 AU2003300905A8 (en) 2005-06-06

Family

ID=34590108

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003300905A Abandoned AU2003300905A1 (en) 2003-10-20 2003-12-12 Led driver apparatus and method

Country Status (2)

Country Link
AU (1) AU2003300905A1 (en)
WO (1) WO2005048231A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8197088B2 (en) * 2008-06-13 2012-06-12 Barco, Inc. Vertical handling apparatus for a display
US12198605B2 (en) 2019-03-29 2025-01-14 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US11727857B2 (en) 2019-03-29 2023-08-15 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US11694601B2 (en) 2019-03-29 2023-07-04 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US12142716B2 (en) 2019-03-29 2024-11-12 Creeled, Inc. Active control of light emitting diodes and light emitting diode displays
US12014673B2 (en) 2022-02-07 2024-06-18 Creeled, Inc. Light-emitting diodes with mixed clock domain signaling
CA3250996A1 (en) 2022-02-07 2023-08-10 Creeled Inc Light-emitting diodes with mixed clock domain signaling
CN114675155B (en) * 2022-03-18 2025-07-15 厦门凌阳华芯科技股份有限公司 A method, device and equipment for detecting LED display screen
CN116486760B (en) * 2023-03-09 2025-11-07 合肥维信诺科技有限公司 Pixel circuit, driving method thereof and display panel
US12014677B1 (en) 2023-04-10 2024-06-18 Creeled, Inc. Light-emitting diode packages with transformation and shifting of pulse width modulation signals and related methods
US12437707B2 (en) 2023-09-27 2025-10-07 Creeled, Inc. Pseudo-exponential encoding for light-emitting devices and related methods

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3368890B2 (en) * 2000-02-03 2003-01-20 日亜化学工業株式会社 Image display device and control method thereof

Also Published As

Publication number Publication date
WO2005048231A1 (en) 2005-05-26
AU2003300905A8 (en) 2005-06-06

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Legal Events

Date Code Title Description
TH Corrigenda

Free format text: IN VOL 19, NO 28, PAGE(S) 1857 UNDER THE HEADING APPLICATIONS OPI - NAME INDEX UNDER THE NAME SEMTECH CORPORATION, APPLICATION NO. 2003300905, UNDER INID (43) CORRECT THE DATE TO READ 06.06.2005

MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase