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1. WO2011030370 - DISPLAY PANEL DEVICE AND CONTROL METHOD THEREOF

Publication Number WO/2011/030370
Publication Date 17.03.2011
International Application No. PCT/JP2009/004431
International Filing Date 08.09.2009
IPC
G09G 3/30 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
22using controlled light sources
30using electroluminescent panels
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
H01L 51/50 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H05B 33/08 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
33Electroluminescent light sources
08Circuit arrangements for operating electroluminescent light sources
CPC
G09G 2300/0842
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2300Aspects of the constitution of display devices
08Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
0809Several active elements per pixel in active matrix panels
0842forming a memory circuit, e.g. a dynamic memory with one capacitor
G09G 2300/0861
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
2300Aspects of the constitution of display devices
08Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
0809Several active elements per pixel in active matrix panels
0842forming a memory circuit, e.g. a dynamic memory with one capacitor
0861with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes
G09G 2320/0223
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
0223Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
G09G 2320/0233
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
0233Improving the luminance or brightness uniformity across the screen
G09G 2320/0295
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
029by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
0295by monitoring each display pixel
G09G 2320/043
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
Applicants
  • パナソニック株式会社 PANASONIC CORPORATION [JP]/[JP] (AllExceptUS)
  • 小野晋也 ONO, Shinya (UsOnly)
Inventors
  • 小野晋也 ONO, Shinya
Agents
  • 新居広守 NII, Hiromori
Priority Data
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) DISPLAY PANEL DEVICE AND CONTROL METHOD THEREOF
(FR) DISPOSITIF DE PANNEAU D'AFFICHAGE ET SON PROCÉDÉ DE COMMANDE
(JA) 表示パネル装置及びその制御方法
Abstract
(EN)
The device is equipped with an organic EL element (15), a capacitance storage element (13), a drive transistor (14), the gate of which is connected to an electrode (131) and the source of which is connected to the anode of the organic EL element (15) and to an electrode (132), and that supplies a drain current to the organic EL element (15) according to the voltage of the capacitance storage element (13), a first power line (21) for the purpose of determining the drain potential of the drive transistor (14), a second power line (22) connected to the cathode of the organic EL element (15), a switching transistor (12) for the purpose of setting a reference voltage for the electrode (131), a data line (20) for the purpose of supplying a data voltage to the electrode (132), a selection transistor (11) connected between the data line (20) and the electrode (132), and a switching transistor (16) that is between the electrode (131) and the first power line (21), that is connected in series with the drive transistor (14), and that determines whether the drain current of the drive transistor (14) is on or off.
(FR)
Le dispositif est équipé d'un élément électroluminescent organique (15), d'un élément de stockage de capacitance (13), d'un transistor de commande (14) dont la grille est connectée à une électrode (131) et dont la source est connectée à l'anode de l'élément électroluminescent organique (15) et à une électrode (132), et qui fournit un courant de drain à l'élément électroluminescent organique (15) selon la tension de l'élément de stockage de capacitance (13), d'une première ligne d'alimentation (21) ayant pour but de déterminer le potentiel du drain du transistor de commande (14), d'une seconde ligne d'alimentation (22) connectée à la cathode de l'élément électroluminescent organique (15), d'un transistor de commutation (12) ayant pour but d'imposer une tension de référence à l'électrode (131), d'une ligne de données (20) ayant pour but de fournir une tension de données à l'électrode (132), d'un transistor de sélection (11) connecté entre la ligne de données (20) et l'électrode (132) et d'un transistor de commutation (16) qui est monté entre l'électrode (131) et la première ligne d'alimentation (21), qui est connecté en série avec le transistor de commande (14) et qui détermine si le courant de drain du transistor de commande (14) est passant ou bloqué.
(JA)
 有機EL素子(15)と、保持容量素子(13)と、ゲートが電極(131)に接続されソースが有機EL素子(15)のアノード及び電極(132)に接続され保持容量素子(13)の電圧に応じたドレイン電流を有機EL素子(15)に流す駆動トランジスタ(14)と、駆動トランジスタ(14)のドレイン電位を決定するための第1電源線(21)と、有機EL素子(15)のカソードに接続された第2電源線(22)と、電極(131)に基準電圧を設定するためのスイッチングトランジスタ(12)と、電極(132)にデータ電圧を供給するためのデータ線(20)と、データ線(20)と電極(132)との間に接続された選択トランジスタ(11)と、電極(131)と第1電源線(21)との間であって、駆動トランジスタ(14)と直列接続され、駆動トランジスタ(14)のドレイン電流のON/OFFを決定するスイッチングトランジスタ(16)とを備える。
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