KR20040107596A - 수동 매트릭스 유기 led 디스플레이의 구동방법 - Google Patents
수동 매트릭스 유기 led 디스플레이의 구동방법 Download PDFInfo
- Publication number
- KR20040107596A KR20040107596A KR1020030036338A KR20030036338A KR20040107596A KR 20040107596 A KR20040107596 A KR 20040107596A KR 1020030036338 A KR1020030036338 A KR 1020030036338A KR 20030036338 A KR20030036338 A KR 20030036338A KR 20040107596 A KR20040107596 A KR 20040107596A
- Authority
- KR
- South Korea
- Prior art keywords
- organic led
- signal line
- led display
- driving
- scan signal
- 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
- 239000011159 matrix material Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 230000003071 parasitic effect Effects 0.000 description 7
- 230000001052 transient effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005282 brightening Methods 0.000 description 1
- 238000007796 conventional method 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
- G09G3/22—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]
- G09G3/3216—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 a passive 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
- 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
-
- 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
Landscapes
- 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
Description
Claims (5)
- 데이터 신호를 각 픽셀의 데이터 신호선에 인가하고, 스캔 신호를 각 픽셀의 스캔 신호선에 인가하는 수동 매트릭스 유기 LED 디스플레이의 구동방법에 있어서,상기 선택된 스캔 신호선에 로우(Low) 신호를 인가하고, 선택되지 않은 스캔 신호선을 하이 임피던스(High impedance) 상태로 만들어 주는 것을 특징으로 하는 수동 매트릭스 유기 LED 디스플레이의 구동방법.
- 제 1 항에 있어서,상기 하이 임피던스 상태가 되기 직전에 하이 신호를 더 인가하는 것을 특징으로 하는 수동 매트릭스 유기 LED 디스플레이의 구동방법.
- 캐패시터와 유기 LED가 병렬로 연결되어 이루어진 픽셀이 열과 행으로 복수개 배열된 유기 LED 디스플레이에 데이터 신호를 상기 픽셀들 각각에 있는 유기 LED의 애노드로 인가시키고, 선택 및 비선택 신호를 갖는 스캔 신호를 유기 LED의 캐소드로 인가시키는 유기 LED 디스플레이의 구동방법에 있어서,상기 선택된 신호선에 연결된 캐패시터와 유기 LED는 동작시키고, 상기 비선택된 신호선에 연결된 캐패시터와 유기 LED는 전기적으로 플로팅(Floating)시키는 것을 특징으로 하는 수동 매트릭스 유기 LED 디스플레이의 구동방법.
- 제 3 항에 있어서,상기 유기 LED가 동작시에는, 캐소드 단자에 로우신호를 인가하고, 전기적 플로팅 상태시에는 캐소소드 단자를 하이 임피던스 상태로 만드는 것을 특징으로 하는 수동 매트릭스 유기 LED 디스플레이의 구동방법.
- 제 3 항에 있어서,상기 유기 LED 디스플레이는,수동 매트릭스 유기 LED 디스플레인 것을 특징으로 하는 수동 매트릭스 유기 LED 디스플레이의 구동방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030036338A KR20040107596A (ko) | 2003-06-05 | 2003-06-05 | 수동 매트릭스 유기 led 디스플레이의 구동방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030036338A KR20040107596A (ko) | 2003-06-05 | 2003-06-05 | 수동 매트릭스 유기 led 디스플레이의 구동방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20040107596A true KR20040107596A (ko) | 2004-12-23 |
Family
ID=37381666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020030036338A Ceased KR20040107596A (ko) | 2003-06-05 | 2003-06-05 | 수동 매트릭스 유기 led 디스플레이의 구동방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20040107596A (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100807269B1 (ko) * | 2005-02-22 | 2008-02-28 | 홀텍 세미컨덕터 인크. | 발광 다이오드 구동 방법 |
| KR101108149B1 (ko) * | 2005-05-14 | 2012-01-31 | 삼성모바일디스플레이주식회사 | 패시브 매트릭스형 유기전계 발광표시장치 및 그의구동방법 |
-
2003
- 2003-06-05 KR KR1020030036338A patent/KR20040107596A/ko not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100807269B1 (ko) * | 2005-02-22 | 2008-02-28 | 홀텍 세미컨덕터 인크. | 발광 다이오드 구동 방법 |
| KR101108149B1 (ko) * | 2005-05-14 | 2012-01-31 | 삼성모바일디스플레이주식회사 | 패시브 매트릭스형 유기전계 발광표시장치 및 그의구동방법 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20030605 |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20050831 Patent event code: PE09021S01D |
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| AMND | Amendment | ||
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20060228 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20050831 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
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| J201 | Request for trial against refusal decision | ||
| PJ0201 | Trial against decision of rejection |
Patent event date: 20060330 Comment text: Request for Trial against Decision on Refusal Patent event code: PJ02012R01D Patent event date: 20060228 Comment text: Decision to Refuse Application Patent event code: PJ02011S01I Appeal kind category: Appeal against decision to decline refusal Decision date: 20070430 Appeal identifier: 2006101002828 Request date: 20060330 |
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| AMND | Amendment | ||
| PB0901 | Examination by re-examination before a trial |
Comment text: Amendment to Specification, etc. Patent event date: 20060427 Patent event code: PB09011R02I Comment text: Request for Trial against Decision on Refusal Patent event date: 20060330 Patent event code: PB09011R01I Comment text: Amendment to Specification, etc. Patent event date: 20051027 Patent event code: PB09011R02I |
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| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20060620 Patent event code: PE09021S01D |
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| B601 | Maintenance of original decision after re-examination before a trial | ||
| PB0601 | Maintenance of original decision after re-examination before a trial | ||
| J301 | Trial decision |
Free format text: TRIAL DECISION FOR APPEAL AGAINST DECISION TO DECLINE REFUSAL REQUESTED 20060330 Effective date: 20070430 |
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| PJ1301 | Trial decision |
Patent event code: PJ13011S01D Patent event date: 20070501 Comment text: Trial Decision on Objection to Decision on Refusal Appeal kind category: Appeal against decision to decline refusal Request date: 20060330 Decision date: 20070430 Appeal identifier: 2006101002828 |