JP5068021B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- JP5068021B2 JP5068021B2 JP2006061994A JP2006061994A JP5068021B2 JP 5068021 B2 JP5068021 B2 JP 5068021B2 JP 2006061994 A JP2006061994 A JP 2006061994A JP 2006061994 A JP2006061994 A JP 2006061994A JP 5068021 B2 JP5068021 B2 JP 5068021B2
- Authority
- JP
- Japan
- Prior art keywords
- level shift
- shift circuit
- circuit
- transistor
- level
- 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.)
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Classifications
-
- 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
- G09G3/3685—Details of drivers for data 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
- 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
- G09G2310/0289—Details of voltage level shifters arranged for use in a driving circuit
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (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)
- Logic Circuits (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Description
Claims (4)
- 表示パネルと、
上記表示パネルに形成された駆動回路と、
上記駆動回路に設けられたレベルシフト回路と、を備え、
上記レベルシフト回路は、
トランジスタと、
上記トランジスタのドレイン端子に接続されたドレイン抵抗と、
上記トランジスタのドレイン端子に前記ドレイン抵抗を介して接続され、高電圧が印加される高電圧線と、
上記トランジスタのソース端子に接続された入力信号線と、を有し、
上記トランジスタのゲート端子には、上記トランジスタを導通させる電圧が印加され、
上記トランジスタのしきい値電圧以下のハイレベル電圧が上記入力信号線に入力されることにより、ドレイン端子は上記しきい値電圧以上の電圧を出力することを特徴とする表示装置。 - 上記レベルシフト回路は、
上記トランジスタのソース端子に接続されたソース抵抗と、
上記トランジスタのソース端子に前記ソース抵抗を介して接続され、低電圧が印加される低電圧線と、を更に有する、ことを特徴とする請求項1に記載の表示装置。 - 請求項1又は2に記載のレベルシフト回路である第1レベルシフト回路及び第2レベルシフト回路と、
上記第1レベルシフト回路と上記第2レベルシフト回路とを切替えるスイッチング回路と、を備え、
上記第1レベルシフト回路の上記ドレイン抵抗の抵抗値と、上記第2レベルシフト回路の上記ドレイン抵抗の抵抗値とは異なっている、ことを特徴とする表示装置。 - 請求項1に記載のレベルシフト回路である第3レベルシフト回路を更に備え、
上記スイッチング回路には、上記第3レベルシフト回路の出力が入力され、
上記第3レベルシフト回路の上記トランジスタのしきい値がシフトすることにより上記第3レベルシフト回路の出力が変化し、上記第1レベルシフト回路と上記第2レベルシフト回路とを切替える、ことを特徴とする請求項3に記載の表示装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006061994A JP5068021B2 (ja) | 2006-03-08 | 2006-03-08 | 表示装置 |
US11/682,903 US8059081B2 (en) | 2006-03-08 | 2007-03-07 | Display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006061994A JP5068021B2 (ja) | 2006-03-08 | 2006-03-08 | 表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007240788A JP2007240788A (ja) | 2007-09-20 |
JP5068021B2 true JP5068021B2 (ja) | 2012-11-07 |
Family
ID=38478440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006061994A Active JP5068021B2 (ja) | 2006-03-08 | 2006-03-08 | 表示装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8059081B2 (ja) |
JP (1) | JP5068021B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009204637A (ja) * | 2008-02-26 | 2009-09-10 | Hitachi Displays Ltd | 表示装置 |
JP2017151197A (ja) * | 2016-02-23 | 2017-08-31 | ソニー株式会社 | ソースドライバ、表示装置、及び、電子機器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11184444A (ja) * | 1997-12-24 | 1999-07-09 | Oki Micro Design Miyazaki Co Ltd | 液晶表示装置駆動用集積回路 |
EP1020839A3 (en) * | 1999-01-08 | 2002-11-27 | Sel Semiconductor Energy Laboratory Co., Ltd. | Semiconductor display device and driving circuit therefor |
JP3758545B2 (ja) * | 2001-10-03 | 2006-03-22 | 日本電気株式会社 | サンプリングレベル変換回路と2相及び多相展開回路並びに表示装置 |
JP3909580B2 (ja) | 2002-04-10 | 2007-04-25 | 株式会社 日立ディスプレイズ | 表示装置 |
JP4421208B2 (ja) * | 2002-05-17 | 2010-02-24 | シャープ株式会社 | レベルシフタ回路およびそれを備えた表示装置 |
JP2007060344A (ja) * | 2005-08-25 | 2007-03-08 | Sanyo Electric Co Ltd | レベルシフト回路 |
-
2006
- 2006-03-08 JP JP2006061994A patent/JP5068021B2/ja active Active
-
2007
- 2007-03-07 US US11/682,903 patent/US8059081B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20070211012A1 (en) | 2007-09-13 |
JP2007240788A (ja) | 2007-09-20 |
US8059081B2 (en) | 2011-11-15 |
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