WO2021130777A3 - Direct view led display system - Google Patents

Direct view led display system Download PDF

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Publication number
WO2021130777A3
WO2021130777A3 PCT/IN2020/051054 IN2020051054W WO2021130777A3 WO 2021130777 A3 WO2021130777 A3 WO 2021130777A3 IN 2020051054 W IN2020051054 W IN 2020051054W WO 2021130777 A3 WO2021130777 A3 WO 2021130777A3
Authority
WO
WIPO (PCT)
Prior art keywords
leds
display system
direct view
led display
led
Prior art date
Application number
PCT/IN2020/051054
Other languages
French (fr)
Other versions
WO2021130777A2 (en
Inventor
Venkata Ramana Rao MAGANTI
Venkata Ram ATLURI
Original Assignee
Maganti Venkata Ramana Rao
Atluri Venkata Ram
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 Maganti Venkata Ramana Rao, Atluri Venkata Ram filed Critical Maganti Venkata Ramana Rao
Publication of WO2021130777A2 publication Critical patent/WO2021130777A2/en
Publication of WO2021130777A3 publication Critical patent/WO2021130777A3/en

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
    • G09G3/2003—Display 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
    • 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
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0457—Improvement of perceived resolution by subpixel rendering
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in 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)

Abstract

A LED display system / Direct View LED system/TV with specific arrangement of individual discrete Red, Green and Blue light elements of flip chip micro/mini LEDs / Chip on Board LEDs and any other type of LEDs and associated hardware, firmware, software and pixel mapping techniques in a LED display system / Direct View LED system/TV with less number of LEDs and associated active and passive components (reduction of the hardware resources to the extent 60% or more) and augmented by programmable virtualization techniques using either Common Cathode or Common Anode LED drivers.
PCT/IN2020/051054 2019-12-27 2020-12-25 Direct view led display system WO2021130777A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201941054245 2019-12-27
IN201941054245 2019-12-27

Publications (2)

Publication Number Publication Date
WO2021130777A2 WO2021130777A2 (en) 2021-07-01
WO2021130777A3 true WO2021130777A3 (en) 2021-08-26

Family

ID=76574877

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2020/051054 WO2021130777A2 (en) 2019-12-27 2020-12-25 Direct view led display system

Country Status (1)

Country Link
WO (1) WO2021130777A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115132133B (en) * 2022-08-31 2022-11-18 长春希达电子技术有限公司 Data transmission system, control system, method and device of pixel multiplication display screen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140168037A1 (en) * 2012-12-17 2014-06-19 LuxVue Technology Corporation Smart pixel lighting and display microcontroller
US20140186979A1 (en) * 2005-02-03 2014-07-03 Epistar Corporation Light emitting device and manufacture method thereof
US20160253945A1 (en) * 2009-03-17 2016-09-01 Koninklijke Philips N.V. Displays with sequential drive schemes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140186979A1 (en) * 2005-02-03 2014-07-03 Epistar Corporation Light emitting device and manufacture method thereof
US20160253945A1 (en) * 2009-03-17 2016-09-01 Koninklijke Philips N.V. Displays with sequential drive schemes
US20140168037A1 (en) * 2012-12-17 2014-06-19 LuxVue Technology Corporation Smart pixel lighting and display microcontroller

Also Published As

Publication number Publication date
WO2021130777A2 (en) 2021-07-01

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