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BRPI0815026A2 - Método para compensar uma mudança de cromaticidade devido à luz ambiente em um letreiro eletrônico. - Google Patents

Método para compensar uma mudança de cromaticidade devido à luz ambiente em um letreiro eletrônico.

Info

Publication number
BRPI0815026A2
BRPI0815026A2 BRPI0815026-5A2A BRPI0815026A BRPI0815026A2 BR PI0815026 A2 BRPI0815026 A2 BR PI0815026A2 BR PI0815026 A BRPI0815026 A BR PI0815026A BR PI0815026 A2 BRPI0815026 A2 BR PI0815026A2
Authority
BR
Brazil
Prior art keywords
alphabet
compensating
electronic
change
ambient light
Prior art date
Application number
BRPI0815026-5A2A
Other languages
English (en)
Inventor
Paul O Scheibe
Original Assignee
Landmark Screens Llc
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 Landmark Screens Llc filed Critical Landmark Screens Llc
Publication of BRPI0815026A2 publication Critical patent/BRPI0815026A2/pt
Publication of BRPI0815026B1 publication Critical patent/BRPI0815026B1/pt

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
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • 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
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • 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

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)
BRPI0815026-5A2 2007-08-08 2008-08-06 método para compensar uma mudança de cromaticidade devido à luz ambiente em um letreiro eletrônico. BRPI0815026B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/836,104 US9659513B2 (en) 2007-08-08 2007-08-08 Method for compensating for a chromaticity shift due to ambient light in an electronic signboard
PCT/US2008/072269 WO2009020991A1 (en) 2007-08-08 2008-08-06 Method for compensating for a chromaticity shift due to ambient light in an electronic signboard

Publications (2)

Publication Number Publication Date
BRPI0815026A2 true BRPI0815026A2 (pt) 2015-03-10
BRPI0815026B1 BRPI0815026B1 (pt) 2019-11-26

Family

ID=39791371

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0815026-5A2 BRPI0815026B1 (pt) 2007-08-08 2008-08-06 método para compensar uma mudança de cromaticidade devido à luz ambiente em um letreiro eletrônico.

Country Status (6)

Country Link
US (1) US9659513B2 (pt)
EP (1) EP2176852B1 (pt)
CN (1) CN101816028B (pt)
BR (1) BRPI0815026B1 (pt)
ES (1) ES2408983T3 (pt)
WO (1) WO2009020991A1 (pt)

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US9129547B2 (en) 2013-03-14 2015-09-08 Qualcomm Incorporated Spectral color reproduction using a high-dimension reflective display
DE102014104769A1 (de) * 2014-04-03 2015-10-08 Osram Opto Semiconductors Gmbh Verfahren zur Steuerung einer Bildschirmdarstellung eines Bildschirms und elektronisches Gerät
US9478157B2 (en) 2014-11-17 2016-10-25 Apple Inc. Ambient light adaptive displays
US9530362B2 (en) 2014-12-23 2016-12-27 Apple Inc. Ambient light adaptive displays with paper-like appearance
US10311792B2 (en) * 2016-07-27 2019-06-04 Landmark Screens, Llc Expanded gamut electroluminescent displays and methods
CN114724502B (zh) * 2022-03-31 2024-02-02 北京集创北方科技股份有限公司 Led显示屏的环境光影响的确定方法、系统、装置、电子设备
US12279347B2 (en) 2022-11-23 2025-04-15 Electronic Theatre Controls, Inc. Color compensation for optical modification

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Also Published As

Publication number Publication date
CN101816028A (zh) 2010-08-25
US9659513B2 (en) 2017-05-23
WO2009020991A1 (en) 2009-02-12
US20090040205A1 (en) 2009-02-12
EP2176852A1 (en) 2010-04-21
BRPI0815026B1 (pt) 2019-11-26
ES2408983T3 (es) 2013-06-24
EP2176852B1 (en) 2013-03-27
CN101816028B (zh) 2015-02-25

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Legal Events

Date Code Title Description
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 26/11/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 26/11/2019, OBSERVADAS AS CONDICOES LEGAIS