JP5084134B2 - 表示装置及びこれらを用いた機器 - Google Patents
表示装置及びこれらを用いた機器 Download PDFInfo
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- JP5084134B2 JP5084134B2 JP2005336426A JP2005336426A JP5084134B2 JP 5084134 B2 JP5084134 B2 JP 5084134B2 JP 2005336426 A JP2005336426 A JP 2005336426A JP 2005336426 A JP2005336426 A JP 2005336426A JP 5084134 B2 JP5084134 B2 JP 5084134B2
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Images
Classifications
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- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
-
- 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
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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
- G09G3/34—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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4091—Sense or sense/refresh amplifiers, or associated sense circuitry, e.g. for coupled bit-line precharging, equalising or isolating
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4093—Input/output [I/O] data interface arrangements, e.g. data buffers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
- G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
- G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
- G11C11/4063—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing
- G11C11/407—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing or timing for memory cells of the field-effect type
- G11C11/409—Read-write [R-W] circuits
- G11C11/4096—Input/output [I/O] data management or control circuits, e.g. reading or writing circuits, I/O drivers or bit-line switches
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1006—Data managing, e.g. manipulating data before writing or reading out, data bus switches or control circuits therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1006—Data managing, e.g. manipulating data before writing or reading out, data bus switches or control circuits therefor
- G11C7/1012—Data reordering during input/output, e.g. crossbars, layers of multiplexers, shifting or rotating
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
- G11C7/1051—Data output circuits, e.g. read-out amplifiers, data output buffers, data output registers, data output level conversion circuits
-
- 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
- G09G2300/0404—Matrix technologies
- G09G2300/0408—Integration of the drivers onto the display substrate
-
- 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
- G09G2310/0264—Details of driving circuits
- G09G2310/0294—Details of sampling or holding circuits arranged for use in a driver for data electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/18—Use of a frame buffer in a display terminal, inclusive of the display panel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Theoretical Computer Science (AREA)
- Databases & Information Systems (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
前記容量を有するデータ保持回路は、2つのノード間の電位の大小を増幅して当該電位の状態を保持するセンスアンプ回路を有し、前記センスアンプ回路が、第1及び第2のラッチ回路を有し、前記第1及び第2のラッチ回路の少なくとも一方のラッチ回路と、前記2つのノードのいずれか一方との間に、信号伝達を可能又は不可能とする伝達制御部が設けられている、ことを特徴とする。本発明においては、データ保持回路に対向する支持基板が無いため、データ保持回路の寄生容量が小さい。その結果、データ保持回路内のメモリセル等の容量と寄生容量の比を一定にした場合、データ保持回路内の容量を小さくできる。データ保持回路の容量が小さいため、データ保持回路のレイアウトに必要な面積が小さい。
2 ;第2の支持基板
3 ;データ保持回路
4 ;表示部
5 ;スペーサ
6 ;非導電体による遮光膜
7 ;導電体膜
8 ;導電体膜
101 ;表示デバイス基板
102 ;コントローラIC
103 ;コントローラIC
104 ;システム側回路基板
105 ;ラッチ回路
106 ;デジタル・アナログ変換回路(DAC回路)
107 ;セレクタ回路
108 ;レベルシフタ(Dビット)
109 ;行方向の走査回路(走査線(ゲート線)駆動回路)
110 ;M行N列アクティブマトリクス表示領域
111 ;メモリ
112 ;出力バッファ回路
113 ;コントローラ
114 ;インタフェース回路
120 ;ガラス基板
121 ;センスアンプ付メモリセルアレイ
122 ;行デコーダ
123 ;列デコーダ
160 ;センスアンプ回路
161 メモリセル
162 プリチャージ回路
163 ;データ線
3501 ;走査回路/データレジスタ
3502 ;デジタル・アナログ変換回路(DAC回路)
3503 ;レベルシフタ
3504 ;列方向の走査回路(データ線駆動回路)
3505 ;アナログスイッチ
3506 列方向の走査回路(データ線駆動回路)
4901a;MOS型トランジスタ
4901b;MOS型トランジスタ
4902 ;小振幅プリアンプ回路
4903 ;フルスイングアンプ回路
4904 ;ステップ波形電圧印加部又は履歴抑制部、又は電圧印加部
4905a;伝達制御部
4905b;伝達制御部
5001 ;第1の期間
5002 ;第2の期間
5301a;ビット線
5301b;ビット線
5302 ;プリチャージ回路
5303 ;メモリセル
5304 ;メモリセル
5401 ;電圧信号入力過程
B;Bノード
XB;XBノード
Claims (9)
- 容量を有するデータ保持回路と、複数の画素を有する表示部とが一の第1支持基板上に形成された表示装置において、前記画素には、それぞれ画素電極が設けられ、前記表示部の上方には前記第1支持基板に対向する第2支持基板が設けられているが、前記データ保持回路が配置された領域の上方には対向基板が存在せず、かつ、
前記容量を有するデータ保持回路は、2つのノード間の電位の大小を増幅して当該電位の状態を保持するセンスアンプ回路を有し、前記センスアンプ回路が、第1及び第2のラッチ回路を有し、前記第1及び第2のラッチ回路の少なくとも一方のラッチ回路と、前記2つのノードのいずれか一方との間に、信号伝達を可能又は不可能とする伝達制御部が設けられている、
ことを特徴とする表示装置。 - 前記第1のラッチ回路の出力電圧振幅が、前記第2のラッチ回路の出力電圧振幅より小さいことを特徴とする請求項1に記載の表示装置。
- 前記データ保持回路内の前記容量の誘電体と、前記画素に設けられる蓄積容量の誘電体とが同一の誘電体膜で形成されていることを特徴とする請求項1又は2に記載の表示装置。
- 前記第1支持基板上に、前記表示部を駆動する駆動回路が設けられていることを特徴とする請求項1乃至3のいずれか1項に記載の表示装置。
- 前記データ保持回路内の前記容量の誘電体と、前記画素に設けられる蓄積容量の誘電体とが、前記駆動回路を構成するトランジスタの少なくとも1つのゲート絶縁膜と同じ誘電体膜を用いて形成されていることを特徴とする請求項4に記載の表示装置。
- 請求項1乃至5のいずれか1項に記載の表示装置を有する機器において、前記表示装置の周囲に導電層が配置され、前記表示装置の周囲の導電体層と前記データ保持回路との間の距離が、前記データ保持回路の容量の誘電体の膜厚の100倍より大きいことを特徴とする機器。
- 前記表示装置の周囲の導電体層と前記データ保持回路との間の距離が、前記データ保持回路の容量の誘電体の膜厚の1000倍より大きいことを特徴とする請求項6に記載の機器。
- 請求項1乃至7のいずれか1項に記載の表示装置を有する機器において、前記機器の内壁と前記表示装置との間に誘電体層が設けられ、前記誘電体層がlow−k材料からなることを特徴とする機器。
- 請求項1乃至7のいずれか1項に記載の表示装置を有する機器において、前記機器の内壁と前記表示装置との間に誘電体層が設けられ、前記誘電体層が空気からなることを特徴とする機器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005336426A JP5084134B2 (ja) | 2005-11-21 | 2005-11-21 | 表示装置及びこれらを用いた機器 |
CN200610084410A CN100578597C (zh) | 2005-11-21 | 2006-05-19 | 显示器件及使用其的设备 |
US11/437,929 US8217920B2 (en) | 2005-11-21 | 2006-05-19 | Data-holding circuit and substrate for a display device |
US13/410,570 US9489903B2 (en) | 2005-11-21 | 2012-03-02 | Data-holding circuit and substrate for a display device |
US15/271,520 US9947279B2 (en) | 2005-11-21 | 2016-09-21 | Data-holding circuit and substrate for a display device |
Applications Claiming Priority (1)
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US20170011697A1 (en) | 2017-01-12 |
US8217920B2 (en) | 2012-07-10 |
US9947279B2 (en) | 2018-04-17 |
CN1971698A (zh) | 2007-05-30 |
US20070115229A1 (en) | 2007-05-24 |
CN100578597C (zh) | 2010-01-06 |
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US9489903B2 (en) | 2016-11-08 |
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