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1. WO2011030587 - DISPLAY DEVICE

Publication Number WO/2011/030587
Publication Date 17.03.2011
International Application No. PCT/JP2010/058087
International Filing Date 13.05.2010
IPC
G09G 3/36 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
36using liquid crystals
G02F 1/133 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
01for the control of the intensity, phase, polarisation or colour
13based on liquid crystals, e.g. single liquid crystal display cells
133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
G09G 3/20 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
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 2320/0271
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
02Improving the quality of display appearance
0271Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
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 2330/08
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2330Aspects of power supply; Aspects of display protection and defect management
08Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
G09G 2360/145
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
14Detecting light within display terminals, e.g. using a single or a plurality of photosensors
145the light originating from the display screen
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
  • シャープ株式会社 SHARP KABUSHIKI KAISHA [JP]/[JP] (AllExceptUS)
  • 橋本 勝照 HASHIMOTO Katsuteru (UsOnly)
  • 藤原 晃史 FUJIWARA Kohji (UsOnly)
  • 廖 景峰 LEW Kingfoong (UsOnly)
  • 乙井 克也 OTOI Katsuya (UsOnly)
Inventors
  • 橋本 勝照 HASHIMOTO Katsuteru
  • 藤原 晃史 FUJIWARA Kohji
  • 廖 景峰 LEW Kingfoong
  • 乙井 克也 OTOI Katsuya
Agents
  • 佐野 静夫 SANO Shizuo
Priority Data
2009-20860209.09.2009JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) DISPLAY DEVICE
(FR) DISPOSITIF D'AFFICHAGE
(JA) 表示装置
Abstract
(EN)
Disclosed is a display device that has improved correspondence between brightness distribution of an illuminating device including a plurality of partial lights and brightness distribution of images displayed on a display panel. Specifically, in a liquid crystal display (69), a filtering unit (16) generates brightness distribution data (VD-Sd[AF]) by filtering each item of brightness adjustment data (VD-Sd[A]) corresponding to partial lights (PL) using a filter among a plurality of brightness diffusing filters (FT). Furthermore, a panel control data correcting unit (17) generates corrected panel control data (VD-Sp[d]) that controls images displayed on a liquid crystal display panel (59) from the brightness distribution data (VD-Sd[AF]) and panel control data (VD-Sp).
(FR)
L'invention porte sur un dispositif d'affichage, qui a une correspondance améliorée entre une distribution de luminosité d'un dispositif d'éclairage comprenant une pluralité de lumières partielles et une distribution de luminosité d'images affichées sur un panneau d'affichage. De façon spécifique, dans un dispositif d'affichage à cristaux liquides (69), une unité de filtrage (16) génère des données de distribution de luminosité (VD-Sd[AF]) par filtrage de chaque élément des données de réglage de luminosité (VD-Sd[A]) correspondant à des lumières partielles (PL) à l'aide d'un filtre parmi une pluralité de filtres de diffusion de luminosité (FT). De plus, une unité de correction de données de contrôle du panneau (17) génère des données de contrôle du panneau corrigées (VD-Sp[d]) qui contrôlent des images affichées sur un panneau d'affichage à cristaux liquides (59) à partir des données de distribution de luminosité (VD-Sd[AF]) et des données de contrôle du panneau (VD-Sp).
(JA)
 複数の部分光を含む照明装置の輝度分布と、表示パネルの表示画像の輝度分布との一致性とを向上させた表示装置を提供するために、液晶表示装置69におけるフィルタ加工部16は、部分光PLに対応する輝度調整データVD-Sd[A]毎に対して、複数の輝度拡散フィルタFTのうちの1つで加工を行うことで、輝度分布データVD-Sd[AF]を生成する構成とした。さらに、パネル制御データ補正部17は、輝度分布データVD-Sd[AF]と、パネル制御データVD-Spとから、液晶表示パネル59の表示画像を制御する補正パネル制御データVD-Sp[d]を生成する構成とした。
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