KR20000027770A - 액정표시장치의 공통 신호 회로 - Google Patents
액정표시장치의 공통 신호 회로 Download PDFInfo
- Publication number
- KR20000027770A KR20000027770A KR1019980045787A KR19980045787A KR20000027770A KR 20000027770 A KR20000027770 A KR 20000027770A KR 1019980045787 A KR1019980045787 A KR 1019980045787A KR 19980045787 A KR19980045787 A KR 19980045787A KR 20000027770 A KR20000027770 A KR 20000027770A
- Authority
- KR
- South Korea
- Prior art keywords
- common signal
- adjusting unit
- adjusting
- level
- signal circuit
- 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.)
- Ceased
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3655—Details of drivers for counter electrodes, e.g. common electrodes for pixel capacitors or supplementary storage capacitors
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0204—Compensation of DC component across the pixels in flat panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0252—Improving the response speed
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/041—Temperature compensation
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)
- Power Engineering (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (3)
- 포지티브 레벨의 공통 신호의 레벨의 진폭을 조절하는 제 1 조절부와,네가티브 레벨의 공통 신호의 진폭을 조절하는 제 2 조절부, 및제 1 조절부와 제 2 조절부에 의하여 조절된 신호가 입력되어, 극성 선택에 따라 제 1 조절부로부터 입력된 값 또는 제 2 조절부로부터 입력된 값을 선택적으로 출력하는 제어부를 포함하는 것을 특징으로 액정 표시 장치의 공통신호 회로.
- 제 1 항에 있어서, 상기 제 1 조절부 및 제 2 조절부는 가변 저항인 것을 특징으로 하는 액정 표시 장치의 공통 신호 회로.
- 제 1 항 또는 제 2 항에 있어서, 상기 제어부는 멀티플렉서인 것을 특징으로 하는 액정 표시 장치의 공통 신호 회로.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980045787A KR20000027770A (ko) | 1998-10-29 | 1998-10-29 | 액정표시장치의 공통 신호 회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980045787A KR20000027770A (ko) | 1998-10-29 | 1998-10-29 | 액정표시장치의 공통 신호 회로 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20000027770A true KR20000027770A (ko) | 2000-05-15 |
Family
ID=19556106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980045787A Ceased KR20000027770A (ko) | 1998-10-29 | 1998-10-29 | 액정표시장치의 공통 신호 회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20000027770A (ko) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH075431A (ja) * | 1993-11-08 | 1995-01-10 | Toshiba Corp | アクティブマトリックス形液晶表示装置 |
| JPH07219484A (ja) * | 1994-02-02 | 1995-08-18 | Fujitsu Ltd | 液晶表示装置 |
| JPH10260664A (ja) * | 1997-01-16 | 1998-09-29 | Nec Corp | 液晶駆動回路とこれを用いた液晶装置 |
-
1998
- 1998-10-29 KR KR1019980045787A patent/KR20000027770A/ko not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH075431A (ja) * | 1993-11-08 | 1995-01-10 | Toshiba Corp | アクティブマトリックス形液晶表示装置 |
| JPH07219484A (ja) * | 1994-02-02 | 1995-08-18 | Fujitsu Ltd | 液晶表示装置 |
| JPH10260664A (ja) * | 1997-01-16 | 1998-09-29 | Nec Corp | 液晶駆動回路とこれを用いた液晶装置 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19981029 |
|
| PG1501 | Laying open of application | ||
| N231 | Notification of change of applicant | ||
| PN2301 | Change of applicant |
Patent event date: 20011009 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
| N231 | Notification of change of applicant | ||
| PN2301 | Change of applicant |
Patent event date: 20030228 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20030418 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19981029 Comment text: Patent Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20050502 Patent event code: PE09021S01D |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20051206 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20060403 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20051206 Comment text: Notification of reason for refusal Patent event code: PE06011S01I Patent event date: 20050502 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |