JP2017129682A - 表示装置及び表示装置の制御方法 - Google Patents
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- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3266—Details of drivers for scan electrodes
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- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
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- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/043—Compensation electrodes or other additional electrodes in matrix displays related to distortions or compensation signals, e.g. for modifying TFT threshold voltage in column driver
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active 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
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active 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
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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- 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)
- Electroluminescent Light Sources (AREA)
Abstract
【解決手段】表示装置1は、各々がEL素子(有機EL素子25)及びEL素子に流れる電流を制御する駆動トランジスタ22を備える複数の画素20と、複数の画素20の各々に対して、映像信号電圧を印加する期間以外の期間に、駆動トランジスタ22の閾値電圧を補償するための補償電圧を複数回の補償電圧印加期間に分けて印加するゲート駆動回路50と、ゲート駆動回路50を制御する制御回路60とを備え、制御回路60は、複数回の補償電圧印加期間のうち、映像信号電圧を印加する直前の補償電圧印加期間の長さを調整する。
【選択図】図1
Description
[表示装置の全体構成]
まず、本実施の形態に係る表示装置の全体構成について図面を用いて説明する。
続いて、本実施の形態に係る表示装置1の画素20について図面を用いて説明する。
続いて、本実施の形態に係る表示装置1の動作の概要について図面を用いて説明する。
次に、本実施の形態に係る表示装置1の効果を説明するために、比較例に係る表示装置の動作について図面を用いて説明する。本比較例に係る表示装置は、制御方法において、上記実施の形態に係る表示装置1と相違し、その他の構成において一致する。
以上のように、本実施の形態に係る表示装置1は、各々が有機EL素子25及び有機EL素子25に流れる電流を制御する駆動トランジスタ22を備える複数の画素20を備える。また、表示装置1は、複数の画素20の各々に対して、映像信号電圧を印加する期間以外の期間に、駆動トランジスタ22の閾値電圧を補償するための補償電圧を複数回の補償電圧印加期間に分けて印加するゲート駆動回路50をさらに備える。また、表示装置1は、ゲート駆動回路50を制御する制御回路60をさらに備える。制御回路60は、複数回の補償電圧印加期間のうち、映像信号電圧を印加する直前の補償電圧印加期間の長さを調整する。
以上、本開示に係る表示装置及び表示装置の制御方法について、実施の形態に基づいて説明してきたが、本開示に係る表示装置及び表示装置の制御方法は、上記実施の形態に限定されるものではない。実施の形態における任意の構成要素を組み合わせて実現される別の実施の形態や、実施の形態に対して本発明の主旨を逸脱しない範囲で当業者が思いつく各種変形を施して得られる変形例や、本実施の形態に係る表示装置を内蔵した各種機器も本発明に含まれる。
2 表示部
3 電源部
20 画素
21 選択トランジスタ
22 駆動トランジスタ
23 保持容量素子
24 初期化トランジスタ
25 有機EL素子
30 給電線
40 データ線駆動回路
50 ゲート駆動回路
60 制御回路
DATA データ線
INI 初期化制御線
SCN 走査線
Vini 初期化電源線
Vcat カソード電源線
Vcc アノード電源線
Claims (5)
- 各々がEL素子及び前記EL素子に流れる電流を制御する駆動トランジスタを備える複数の画素と、
前記複数の画素の各々に対して、映像信号電圧を印加する期間以外の期間に、前記駆動トランジスタの閾値電圧を補償するための補償電圧を複数回の補償電圧印加期間に分けて印加するゲート駆動回路と、
前記ゲート駆動回路を制御する制御回路とを備え、
前記制御回路は、前記複数回の補償電圧印加期間のうち、映像信号電圧を印加する直前の補償電圧印加期間の長さを調整する
表示装置。 - 前記制御回路は、垂直同期信号のタイミングに基づいて、前記直前の補償電圧印加期間の長さを調整する
請求項1に記載の表示装置。 - 前記制御回路は、映像信号電圧を印加する直前の二つの垂直同期信号の間隔が短いほど、前記直前の補償電圧印加期間の長さを長くする
請求項2に記載の表示装置。 - 前記補償電圧は、映像信号電圧を前記複数の画素に印加するための複数のデータ線を介して前記複数の画素に印加される
請求項1〜3のいずれか1項に記載の表示装置。 - 各々がEL素子及び前記EL素子に流れる電流を制御する駆動トランジスタを備える複数の画素を備える表示装置の制御方法であって、
前記複数の画素の各々に対して、映像信号電圧を印加する期間以外の期間に、前記駆動トランジスタの閾値電圧を補償するための補償電圧を複数回の補償電圧印加期間に分けて印加し、
前記複数回の補償電圧印加期間のうち、映像信号電圧を印加する直前の補償電圧印加期間の長さを調整する
表示装置の制御方法。
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JP2016008238A JP6708417B2 (ja) | 2016-01-19 | 2016-01-19 | 表示装置及び表示装置の制御方法 |
US15/407,605 US10460670B2 (en) | 2016-01-19 | 2017-01-17 | Display device and method for controlling the same |
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CN105575352A (zh) * | 2016-03-02 | 2016-05-11 | 京东方科技集团股份有限公司 | 栅极驱动方法及电路、显示装置 |
KR20200115766A (ko) * | 2019-03-25 | 2020-10-08 | 삼성디스플레이 주식회사 | 표시 장치 및 그의 구동 방법 |
CN113678187B (zh) * | 2019-04-19 | 2023-02-28 | 夏普株式会社 | 显示装置及其制造方法 |
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US5257350A (en) * | 1989-08-10 | 1993-10-26 | Apple Computer, Inc. | Computer with self configuring video circuitry |
JP2004274219A (ja) * | 2003-03-06 | 2004-09-30 | Pioneer Electronic Corp | 映像信号のフレームレート変換装置 |
JP2009047818A (ja) | 2007-08-17 | 2009-03-05 | Sony Corp | 表示装置および電子機器 |
KR101501481B1 (ko) * | 2008-12-24 | 2015-03-30 | 삼성디스플레이 주식회사 | 디스플레이장치, 백라이트 유닛 및 상기 디스플레이 장치의구동 방법 |
JP5293417B2 (ja) * | 2009-06-03 | 2013-09-18 | ソニー株式会社 | 表示装置の駆動方法 |
JP2011118020A (ja) * | 2009-12-01 | 2011-06-16 | Sony Corp | 表示装置、表示駆動方法 |
JP2011150004A (ja) * | 2010-01-19 | 2011-08-04 | Seiko Epson Corp | 電気光学装置および電子機器 |
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US10460670B2 (en) | 2019-10-29 |
US20170206841A1 (en) | 2017-07-20 |
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