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1. WO2020112092 - CONTROL OF LIGHT INTENSITIES BASED ON USE AND DECAY

Publication Number WO/2020/112092
Publication Date 04.06.2020
International Application No. PCT/US2018/062655
International Filing Date 27.11.2018
IPC
G09G 3/34 2006.01
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20for 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
34by control of light from an independent source
CPC
G09G 2320/045
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2320Control of display operating conditions
04Maintaining the quality of display appearance
043Preventing or counteracting the effects of ageing
045Compensation of drifts in the characteristics of light emitting or modulating elements
G09G 2320/048
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2320Control of display operating conditions
04Maintaining the quality of display appearance
043Preventing or counteracting the effects of ageing
048using evaluation of the usage time
G09G 2320/064
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2320Control of display operating conditions
06Adjustment of display parameters
0626for control of overall brightness
064by time modulation of the brightness of the illumination source
G09G 2320/0646
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2320Control of display operating conditions
06Adjustment of display parameters
0626for control of overall brightness
0646Modulation of illumination source brightness and image signal correlated to each other
G09G 2320/0686
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2320Control of display operating conditions
06Adjustment of display parameters
0686with two or more screen areas displaying information with different brightness or colours
G09G 2360/16
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2360Aspects of the architecture of display systems
16Calculation or use of calculated indices related to luminance levels in display data
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • HSIEH, Hsing-Hung
  • YU, Cheng-Hua
  • VILLEGAS, Ann, Alejandro
Agents
  • GARDINER, Austin W.
  • PATEL, Nick, P.
  • MOSCICKI, Matthew, R.
  • MIERZEJEWSKI, Christoper, J.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CONTROL OF LIGHT INTENSITIES BASED ON USE AND DECAY
(FR) COMMANDE D'INTENSITÉS LUMINEUSES EN FONCTION DE L'UTILISATION ET DE LA DÉCROISSANCE
Abstract
(EN)
A controller to control the light intensity of a first light source and a second light source based on a video signal of a video to be displayed on the display, the decay curve, and usage data regarding the first light source and second light source.
(FR)
L'invention concerne un dispositif de commande permettant de commander l'intensité lumineuse d'une première source lumineuse et d'une seconde source lumineuse en fonction d'un signal vidéo d'une vidéo à afficher sur l'affichage, de la courbe de décroissance et de données d'utilisation concernant la première source lumineuse et la seconde source lumineuse.
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