JP4524699B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- JP4524699B2 JP4524699B2 JP2007270119A JP2007270119A JP4524699B2 JP 4524699 B2 JP4524699 B2 JP 4524699B2 JP 2007270119 A JP2007270119 A JP 2007270119A JP 2007270119 A JP2007270119 A JP 2007270119A JP 4524699 B2 JP4524699 B2 JP 4524699B2
- Authority
- JP
- Japan
- Prior art keywords
- gate
- data
- thin film
- memory element
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—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
- G02F1/01—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 for the control of the intensity, phase, polarisation or colour
- G02F1/13—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 for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
-
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3659—Control of matrices with row and column drivers using an active matrix the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—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
- G02F1/01—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 for the control of the intensity, phase, polarisation or colour
- G02F1/13—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 for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—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
- G02F1/01—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 for the control of the intensity, phase, polarisation or colour
- G02F1/13—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 for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Thin Film Transistor (AREA)
- Shift Register Type Memory (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Semiconductor Memories (AREA)
- Dram (AREA)
Description
一方読み出し動作では、ゲート線GATEをLレベルに切換え、書込み線WRITEもLレベルとする。一方データ線SIGは共通電位VCOMにする。これによりスイッチングトランジスタTr2はオフするのでデュアルゲート型トランジスタTr1の出力電流端は容量Cから切り離される。ここで容量Cに書き込まれたデータがHの場合、デュアルゲート型トランジスタTr1はオン状態となり、液晶セルLCの画素電極にはデータ線SIGからVCOMが印加される。液晶セルLCの画素電極及び対向電極は共にVCOMとなるため、液晶セルLCには電圧が印加されない。一方容量Cに書き込まれたデータがLレベルのとき、デュアルゲート型の薄膜トランジスタTr1はオフ状態となり、データ線SIGは液晶セルLCの画素電極から切り離される。液晶セルLCの画素電極には対向電極側のVCOMに対して所定の電圧が印加され続けるので、表示状態を維持する。
Claims (4)
- 行状のゲート線と、列状のデータ線と、両者が交差する部分に配された画素とを備え、
各画素は、メモリ素子と電気光学素子とを含み、
前記メモリ素子は、データ線から供給されたデータを記憶するとともに、ゲート線から供給された信号に応じてデータを読出し、
前記電気光学素子は、該記憶されたデータに応じた輝度を呈する表示装置であって、
前記メモリ素子は、薄膜トランジスタと容量とから成り、
前記薄膜トランジスタは、半導体薄膜と、絶縁膜を介して該半導体薄膜を上下から挟む一対のゲート電極とを有し、
前記容量は、一対のゲート電極のうち第1のゲート電極に接続され、
第1のゲート電極に接続された該容量にデータを蓄え、
且つ、
前記薄膜トランジスタは、データ線に接続された入力電流端と、該電気光学素子に接続された出力電流端とを有し、
該出力電流端と該容量との間に配されたスイッチを備え、
データの書き込み時、該スイッチをオンした状態でゲート線から前記一対のゲート電極のうち第2のゲート電極を制御して、入力電流端から供給されたデータを該容量に書き込み、
データの読み出し時、該スイッチをオフした状態でゲート線から該第2のゲート電極を制御して、該容量に書き込まれたデータを出力電流端に読み出すことを特徴とする表示装置。 - 前記スイッチも薄膜トランジスタから成り、データのリーク防止のため外光から遮光されていることを特徴とする請求項1に記載の表示装置。
- 前記画素は、データ線と電気光学素子との間に直列接続された複数のメモリ素子を含み、
各メモリ素子に対応した複数のゲート線により各メモリ素子を時分割的に制御して多階調に対応した多ビットデータを書き込み、
更に書き込まれた多ビットデータに応じて該電気光学素子を時分割駆動し、以て、電気光学素子の輝度を多階調制御することを特徴とする請求項1に記載の表示装置。 - 前記画素は、複数の領域に面積分割されており、
各領域ごとに電気光学素子とメモリ素子とを含んでおり、
複数の領域に配された複数のメモリ素子に多ビットデータを書き込み、以て、書き込まれた多ビットデータに応じて該画素の輝度を多階調制御することを特徴とする請求項1に記載の表示装置。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007270119A JP4524699B2 (ja) | 2007-10-17 | 2007-10-17 | 表示装置 |
| TW097137803A TW200939456A (en) | 2007-10-17 | 2008-10-01 | Memory element and display device |
| KR1020080097849A KR101455356B1 (ko) | 2007-10-17 | 2008-10-06 | 메모리 소자 및 표시장치 |
| US12/248,646 US8144102B2 (en) | 2007-10-17 | 2008-10-09 | Memory element and display device |
| CN2008101715171A CN101414436B (zh) | 2007-10-17 | 2008-10-17 | 存储元件和显示装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007270119A JP4524699B2 (ja) | 2007-10-17 | 2007-10-17 | 表示装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009099778A JP2009099778A (ja) | 2009-05-07 |
| JP4524699B2 true JP4524699B2 (ja) | 2010-08-18 |
Family
ID=40562989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007270119A Expired - Fee Related JP4524699B2 (ja) | 2007-10-17 | 2007-10-17 | 表示装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8144102B2 (ja) |
| JP (1) | JP4524699B2 (ja) |
| KR (1) | KR101455356B1 (ja) |
| CN (1) | CN101414436B (ja) |
| TW (1) | TW200939456A (ja) |
Families Citing this family (35)
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| JP5121136B2 (ja) * | 2005-11-28 | 2013-01-16 | 株式会社ジャパンディスプレイウェスト | 画像表示装置、電子機器、携帯機器及び画像表示方法 |
| EP2284891B1 (en) * | 2009-08-07 | 2019-07-24 | Semiconductor Energy Laboratory Co, Ltd. | Semiconductor device and manufacturing method thereof |
| KR101746198B1 (ko) * | 2009-09-04 | 2017-06-12 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 표시장치 및 전자기기 |
| KR101056229B1 (ko) | 2009-10-12 | 2011-08-11 | 삼성모바일디스플레이주식회사 | 박막 트랜지스터, 그의 제조 방법 및 박막 트랜지스터를 구비하는 유기전계발광 표시 장치 |
| KR20130130879A (ko) * | 2009-10-21 | 2013-12-02 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치 제작방법 |
| KR101022141B1 (ko) | 2009-10-27 | 2011-03-17 | 삼성모바일디스플레이주식회사 | 박막 트랜지스터, 그의 제조 방법 및 박막 트랜지스터를 구비하는 유기전계발광 표시 장치 |
| JP2011112724A (ja) * | 2009-11-24 | 2011-06-09 | Sony Corp | 表示装置およびその駆動方法ならびに電子機器 |
| FR2953994B1 (fr) * | 2009-12-15 | 2012-06-08 | Commissariat Energie Atomique | Source de photons resultants d'une recombinaison d'excitons localises |
| WO2011081000A1 (en) * | 2009-12-28 | 2011-07-07 | Semiconductor Energy Laboratory Co., Ltd. | Memory device and semiconductor device |
| KR101152575B1 (ko) | 2010-05-10 | 2012-06-01 | 삼성모바일디스플레이주식회사 | 평판 표시 장치의 화소 회로 및 그의 구동 방법 |
| WO2011145468A1 (en) | 2010-05-21 | 2011-11-24 | Semiconductor Energy Laboratory Co., Ltd. | Memory device and semiconductor device |
| JP2012015481A (ja) * | 2010-06-01 | 2012-01-19 | Sony Corp | 電界効果トランジスタの製造方法、電界効果トランジスタおよび半導体酸化グラフェンの製造方法 |
| KR102115344B1 (ko) * | 2010-08-27 | 2020-05-26 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 기억 장치, 반도체 장치 |
| TWI514572B (zh) * | 2011-06-10 | 2015-12-21 | E Ink Holdings Inc | 金屬氧化物半導體電晶體 |
| JP5832399B2 (ja) * | 2011-09-16 | 2015-12-16 | 株式会社半導体エネルギー研究所 | 発光装置 |
| JP5865134B2 (ja) | 2012-03-15 | 2016-02-17 | 株式会社ジャパンディスプレイ | 液晶表示装置、液晶表示装置の駆動方法、及び、電子機器 |
| US10861978B2 (en) | 2012-04-02 | 2020-12-08 | Samsung Display Co., Ltd. | Display device |
| KR20130111872A (ko) * | 2012-04-02 | 2013-10-11 | 삼성디스플레이 주식회사 | 박막 트랜지스터, 이를 포함하는 박막 트랜지스터 표시판 및 그 제조 방법 |
| US8987047B2 (en) | 2012-04-02 | 2015-03-24 | Samsung Display Co., Ltd. | Thin film transistor, thin film transistor array panel including the same, and method of manufacturing the same |
| CN103680344B (zh) * | 2012-09-21 | 2016-01-20 | 群康科技(深圳)有限公司 | 显示装置 |
| JP5767195B2 (ja) * | 2012-11-05 | 2015-08-19 | 株式会社ジャパンディスプレイ | 半透過型表示装置、電子機器及び半透過型表示装置の駆動方法 |
| JP2015023079A (ja) * | 2013-07-17 | 2015-02-02 | ソニー株式会社 | 放射線撮像装置および放射線撮像表示システム |
| KR102156762B1 (ko) * | 2013-07-31 | 2020-09-16 | 엘지디스플레이 주식회사 | 박막트랜지스터 어레이 기판 및 그의 제조방법 |
| KR102293595B1 (ko) * | 2015-03-24 | 2021-08-25 | 삼성디스플레이 주식회사 | 박막 트랜지스터 표시판 및 그 제조 방법 |
| CN107301879B (zh) * | 2016-04-15 | 2020-06-02 | 东南大学 | 一种阈值电压可调的薄膜晶体管作为非易失性存储器的用途 |
| CN106024781B (zh) * | 2016-07-22 | 2019-06-04 | 京东方科技集团股份有限公司 | 静电放电器件、其制造方法及阵列基板、显示面板和装置 |
| WO2018043643A1 (ja) * | 2016-09-02 | 2018-03-08 | シャープ株式会社 | アクティブマトリクス基板およびアクティブマトリクス基板を備えた表示装置 |
| CN106920804B (zh) | 2017-04-28 | 2020-03-24 | 厦门天马微电子有限公司 | 一种阵列基板、其驱动方法、显示面板及显示装置 |
| WO2018211378A1 (ja) * | 2017-05-19 | 2018-11-22 | 株式会社半導体エネルギー研究所 | 半導体装置または記憶装置 |
| JP2019039949A (ja) * | 2017-08-22 | 2019-03-14 | 株式会社ジャパンディスプレイ | 表示装置 |
| JP6944334B2 (ja) * | 2017-10-16 | 2021-10-06 | 株式会社ジャパンディスプレイ | 表示装置 |
| JP6951237B2 (ja) * | 2017-12-25 | 2021-10-20 | 株式会社ジャパンディスプレイ | 表示装置 |
| CN109768053B (zh) | 2019-01-28 | 2021-12-28 | 京东方科技集团股份有限公司 | 阵列基板及其控制方法、制造方法、显示面板、显示装置 |
| KR20230154377A (ko) * | 2022-04-29 | 2023-11-08 | 삼성디스플레이 주식회사 | 표시 장치의 제조 방법 |
| CN115312098B (zh) * | 2022-07-07 | 2023-04-25 | 北京超弦存储器研究院 | 存储单元、nand串、存储单元阵列、数据读取和写入方法 |
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-
2007
- 2007-10-17 JP JP2007270119A patent/JP4524699B2/ja not_active Expired - Fee Related
-
2008
- 2008-10-01 TW TW097137803A patent/TW200939456A/zh not_active IP Right Cessation
- 2008-10-06 KR KR1020080097849A patent/KR101455356B1/ko not_active Expired - Fee Related
- 2008-10-09 US US12/248,646 patent/US8144102B2/en not_active Expired - Fee Related
- 2008-10-17 CN CN2008101715171A patent/CN101414436B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090039611A (ko) | 2009-04-22 |
| CN101414436B (zh) | 2013-08-14 |
| CN101414436A (zh) | 2009-04-22 |
| US8144102B2 (en) | 2012-03-27 |
| JP2009099778A (ja) | 2009-05-07 |
| US20090102751A1 (en) | 2009-04-23 |
| KR101455356B1 (ko) | 2014-10-27 |
| TWI371100B (ja) | 2012-08-21 |
| TW200939456A (en) | 2009-09-16 |
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