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1. (WO2005062286) DISPLAY PANEL SIGNAL LINE DRIVING APPARATUS
PCT Biblio. Data
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Pub. No.:
WO/2005/062286
International Application No.:
PCT/JP2004/019394
Publication Date:
07.07.2005
International Filing Date:
24.12.2004
IPC:
G02F 1/133
(2006.01),
G09G 3/20
(2006.01),
G09G 3/36
(2006.01)
G
PHYSICS
02
OPTICS
F
DEVICES 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
1
Devices 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
01
for the control of the intensity, phase, polarisation or colour
13
based on liquid crystals, e.g. single liquid crystal display cells
133
Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
G
PHYSICS
09
EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3
Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20
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
G
PHYSICS
09
EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3
Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
20
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
34
by control of light from an independent source
36
using liquid crystals
Applicants:
HIJI HIGH-TECH CO., LTD.
[JP/JP]; 8133, Oaza Ohga, Hiji-machi, Hayami-gun Oita 8791504 (JP)
(For All Designated States Except US)
.
NOGUCHI, Keiichi
[JP/JP]; (JP)
(For US Only)
.
WADA, Toshiyuki
[JP/JP]; (JP)
(For US Only)
.
MAKI, Kazuhiko
[JP/JP]; (JP)
(For US Only)
.
YANAI, Takamasa
[JP/JP]; (JP)
(For US Only)
Inventors:
NOGUCHI, Keiichi
; (JP).
WADA, Toshiyuki
; (JP).
MAKI, Kazuhiko
; (JP).
YANAI, Takamasa
; (JP)
Agent:
IIZUKA, Shin-ichi
; IIZUKA INTERNATIONAL PATENT OFFICE 4th Floor Keiodo Gyoen Bldg. 11-13, Shinjuku 1-chome, Shinjuku-ku Tokyo 1600022 (JP)
Priority Data:
2003-428228
24.12.2003
JP
Title
(EN)
DISPLAY PANEL SIGNAL LINE DRIVING APPARATUS
(FR)
APPAREIL DE COMMANDE D'UNE LIGNE DE SIGNAL D'UN ECRAN
(JA)
表示パネルの信号線駆動装置
Abstract:
(EN)
A display panel signal line driving apparatus continuously applies, to a pixel selected by a scanning line out of a plurality of pixels connected to signal lines, a predetermined voltage for a duration corresponding to gradation data given to that pixel, thereby controlling the gradation of that pixel. The display panel signal line driving apparatus includes gamma curve memories, timer circuits and pixel drive output circuits for the red, green and blue colors. As a result, the display panel signal line driving apparatus can realize enhanced reproducibilities of coloration and chromaticity, and can be constituted by area-reduced circuits at a lower cost.
(FR)
Un appareil de commande d'une ligne de signal d'un écran applique en continu sur un pixel sélectionné par une ligne de balayage hors d'une pluralité de pixels reliés à des lignes de signal, une tension prédéterminée pendant une durée correspondant aux données de gradation fournies à ce pixel, ce qui permet de contrôler la gradation de ce pixel. L'appareil de commande de la ligne de signal d'un écran comprend des mémoires de courbe gamma, des circuits temporisateurs et des circuits de sortie de commande de pixel pour les couleurs rouge, vert et bleu. Ainsi, l'appareil de commande de la ligne de signal d'un écran peut réaliser des reproductions améliorées de coloration et chromaticité et peut être constitué de circuits à zones réduites à faible coût.
(JA)
not available
Designated States:
AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)