KR20060038846A - Method for driving panel of own luminous element - Google Patents
Method for driving panel of own luminous element Download PDFInfo
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- KR20060038846A KR20060038846A KR1020040088016A KR20040088016A KR20060038846A KR 20060038846 A KR20060038846 A KR 20060038846A KR 1020040088016 A KR1020040088016 A KR 1020040088016A KR 20040088016 A KR20040088016 A KR 20040088016A KR 20060038846 A KR20060038846 A KR 20060038846A
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- light emitting
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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
- G09G3/22—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]
- G09G3/3275—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
- 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]
- G09G3/3225—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 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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
Abstract
본 발명은 자기발광소자 패널의 위 아래에 데이터 드라이버를 연결하고 데이터 신호가 양방향에서 인가되도록 배선하여 스캔라인이 순차적으로 선택될 때 각 구역을 별도의 셀처럼 구동함으로써 패널의 크기가 커짐에 따라 해상도가 높아짐에 따라 균일성이 떨어지는 것을 보상하고 데이터 드라이버 IC의 동작 주파수를 감소시키고 전력 소모를 줄일 수 있으며 그에 따른 전자파 장애도 개선시키는 자기발광소자 패널의 구동 방법에 관한 것이다.According to the present invention, a data driver is connected to the top and bottom of the self-light emitting device panel and wired so that data signals are applied in both directions, thereby driving each zone as a separate cell when the scan lines are sequentially selected. The present invention relates to a method of driving a self-light emitting device panel that compensates for the inferiority of the uniformity as it increases, reduces the operating frequency of the data driver IC, reduces power consumption, and improves electromagnetic interference.
자기발광소자, 주파수, 데이터 드라이버, 스캔라인Self-Emitting Device, Frequency, Data Driver, Scan Line
Description
도 1 은 종래의 자기발광소자 패널의 구동 방법을 설명하기 위한 도면.1 is a view for explaining a method of driving a conventional self-light emitting device panel.
도 2 는 본 발명에 의한 자기발광소자 패널의 구동 방법을 설명하기 위한 도면.2 is a view for explaining a method of driving a self-light emitting device panel according to the present invention;
도 3 은 본 발명의 다른 실시예에 의한 자기발광소자 패널의 구동 방법을 설명하기 위한 도면.3 is a view for explaining a method of driving a self-light emitting device panel according to another embodiment of the present invention.
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
10 : 스캔 드라이버10: scan driver
12 : 스캔 라인12: scan line
20 : 데이터 드라이버20: data driver
22 : 데이터 라인22: data line
30 : 패널30: panel
본 발명은 자기발광소자 패널의 구동 방법에 관한 것으로, 보다 상세하게는 패널의 위 아래에 데이터 드라이버를 연결하고 데이터 신호가 양방향에서 인가되도록 배선하여 스캔라인이 순차적으로 선택될 때 각 구역을 별도의 셀처럼 구동함으로써 패널의 크기가 커짐에 따라 해상도가 높아짐에 따라 균일성이 떨어지는 것을 보상하고 데이터 드라이버 IC의 동작 주파수를 감소시키고 전력 소모를 줄일 수 있으며 그에 따른 전자파 장애도 개선시키는 자기발광소자 패널의 구동 방법에 관한 것이다.The present invention relates to a method of driving a self-light emitting device panel, and more particularly, by connecting a data driver to the top and bottom of the panel and wiring the data signal to be applied in both directions so that each zone is separately selected when the scan lines are sequentially selected. By driving like a cell, a panel of a self-light emitting device that compensates for inferiority as the resolution increases as the size of the panel increases, reduces the operating frequency of the data driver IC, reduces power consumption, and improves electromagnetic interference. It relates to a driving method.
도 1 은 종래의 자기발광소자 패널의 구동 방법을 설명하기 위한 도면이다.1 is a view for explaining a method of driving a conventional self-light emitting device panel.
도 1 에 도시한 바와 같이, 기존의 자기발광소자 패널의 구동 방식은 스캔라인이 순차적으로 선택될 때 하나의 데이터 드라이버에서 데이터 신호가 한방향에서 데이터 라인으로 인가되는 방식이다.As shown in FIG. 1, the conventional self-light emitting device panel driving method is a method in which a data signal is applied to a data line in one direction when one scan line is sequentially selected.
이에 따라, 패널의 크기가 커짐에 따라 배선 전극 저항과 EL 커패시턴스가 증가하므로 순차적 구동의 듀티 구동 방식으로 프레임 디스플레이시 최종 스캔라인(아래쪽 라인)으로 갈수록 패턴의 R, C 성분으로 인한 데이터 신호의 감쇄 및 지연이 발생한다.Accordingly, as the size of the panel increases, the wiring electrode resistance and the EL capacitance increase, so that the data signal attenuation due to the R and C components of the pattern decreases toward the final scan line (lower line) when displaying the frame in the sequential driving duty driving method. And delay occurs.
따라서, 전체 화면 디스플레이시 아래쪽 라인의 휘도, 계조표현 등의 화질이 위쪽 라인보다 안 좋아지는 화면의 균일성이 떨어지는 현상이 발생하는데, 이러한 문제는 패널의 크기가 커질수록 해상도가 높아질수록 심해진다.Therefore, when the full screen is displayed, the uniformity of the screen is degraded in which the image quality such as the brightness of the lower line and the gradation expression are worse than the upper line occurs. This problem becomes more severe as the size of the panel increases.
본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위해 창안된 것으로, 자기발광소자 패널의 위 아래에 데이터 드라이버를 연결하고 데이터 신호가 양방향에서 인가되도록 배선하여 스캔라인이 순차적으로 선택될 때 각 구역을 별도의 셀처럼 구동함으로써 패널의 크기가 커짐에 따라 해상도가 높아짐에 따라 균일성이 떨어지는 것을 보상하고 데이터 드라이버 IC의 동작 주파수를 감소시키고 전력 소모를 줄일 수 있으며 그에 따른 전자파 장애도 개선시키는 자기발광소자 패널의 구동 방법을 제공하는데 그 목적이 있다.
The present invention has been made to solve the above problems of the prior art, each area when the scan line is sequentially selected by connecting the data driver to the top and bottom of the self-light emitting device panel and wiring so that the data signal is applied in both directions Can be operated as a separate cell to compensate for inferior uniformity as the size of the panel increases as the size of the panel increases, reducing the operating frequency of the data driver IC, reducing power consumption, and improving the electromagnetic interference accordingly. It is an object of the present invention to provide a method for driving a device panel.
상기와 같은 목적을 달성하기 위한 본 발명은 자기발광소자 패널의 구동 방법에 있어서, 상기 자기발광소자 패널의 위 아래에 데이터 드라이버를 연결하고 데이터 신호가 패널의 위 아래에서 교대로 인가되도록 데이터 라인을 배선하여 스캔라인이 순차적으로 선택될 때 각 구역이 별도의 셀처럼 구동함을 특징으로 한다.In accordance with an aspect of the present invention, there is provided a method of driving a self light emitting device panel, wherein a data line is connected to a top and bottom of the self light emitting device panel so that data signals are alternately applied from above and below the panel. When scanning lines are sequentially selected by wiring, each zone is driven like a separate cell.
본 발명에서, 상기 데이터 드라이버를 패널의 위 아래에 연결시 짝수라인과 홀수라인을 1bit씩 서로 교호하여 좌우로 어긋나게 연결시켜 배선하여 스캔라인이 순차적으로 선택될 때 짝수라인과 홀수라인이 1bit씩 교대로 구동함을 특징으로 한다.In the present invention, when the data driver is connected to the top and bottom of the panel, even lines and odd lines are alternately connected to each other by 1 bit and wired alternately to the left and right to alternate even and odd lines when the scan lines are sequentially selected. It is characterized by the driving.
여기서, 상기 데이터 드라이버는 N개로 구성됨을 특징으로 한다.Here, the data driver is characterized by consisting of N pieces.
또한, 본 발명은 상기 데이터 드라이버를 패널의 위 아래에 연결시 2 bit 또는 n bit 씩 서로 교호하여 좌우로 어긋나게 연결시켜 배선하여 스캔라인이 순차적으로 선택될 때 2 bit 또는 n bit 씩 교대로 구동함을 특징으로 한다.In addition, the present invention, when the data driver is connected to the top and bottom of the panel by alternately connecting each other 2 bits or n bit alternately to the left and right to drive by 2 bits or n bit alternately when the scan line is selected sequentially It is characterized by.
또한, 상기 자기발광소자 패널은 드라이빙 스위칭 소자를 화소에 구성하여 스위칭하는 AM(Active Matrix) 방식임을 특징으로 한다.In addition, the self-light emitting device panel is characterized in that the AM (Active Matrix) method for configuring and switching the driving switching device in the pixel.
여기서, 상기 데이터 드라이버는 하나의 IC로 패킹(Packing)하거나 복수개의 IC로 분리 또는 패널에 부착하는 것 중 어느 하나임을 특징으로 한다.The data driver may be any one of packing with one IC, separating with a plurality of ICs, or attaching to a panel.
위와 같이 본 발명은 자기발광소자 패널의 위 아래에 데이터 드라이버를 연결하고 데이터 신호가 양방향에서 인가되도록 배선하여 스캔라인이 순차적으로 선택될 때 각 구역이 별도의 셀처럼 구동함으로써 패널의 크기가 커짐에 따라 해상도가 높아짐에 따라 균일성이 떨어지는 것을 보상하고 데이터 드라이버 IC의 동작 주파수를 감소시키고 전력 소모를 줄일 수 있으며 그에 따른 전자파 장애도 개선시키는 것이다.As described above, according to the present invention, the size of the panel is increased by connecting each data driver as a separate cell when the scan lines are sequentially selected by connecting data drivers to the top and bottom of the self-light emitting device panel and wiring the data signals to be applied in both directions. As a result, higher resolution compensates for the inhomogeneity, reduces the operating frequency of the data driver IC, reduces power consumption, and improves electromagnetic interference.
이하, 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.
도 2 는 본 발명에 의한 자기발광소자 패널의 구동 방법을 설명하기 위한 도면이다.2 is a view for explaining a method of driving a self-light emitting device panel according to the present invention.
도 2 에 도시한 바와 같이, 본 발명은 자기발광소자 패널(30)을 구동함에 있어서, 상기 자기발광소자 패널(30)의 위 아래에 데이터 드라이버(20)를 연결하고 데이터 신호가 패널(30)의 위 아래에서 교대로 인가되도록 데이터 라인(22)을 배선하여 스캔라인(12)이 순차적으로 선택될 때 각 구역을 별도의 셀처럼 구동하는 것이다.As shown in FIG. 2, in the present invention, the data driver 20 is connected to the top and bottom of the self light emitting device panel 30, and the data signal is transferred to the panel 30. The data lines 22 are wired to be alternately applied from above and below to drive each zone as a separate cell when the scan lines 12 are sequentially selected.
그리고, 상기 데이터 드라이버(20)를 패널(30)의 위 아래에 연결시 짝수라인과 홀수라인을 1bit씩 서로 교호하여 좌우로 어긋나게 연결시켜 배선하여 스캔라인(12)이 순차적으로 선택될 때 짝수라인과 홀수라인이 1bit씩 교대로 구동하는 것이다.In addition, when the data driver 20 is connected to the top and bottom of the panel 30, the even and odd lines are alternately connected to each other by 1 bit to be connected left and right, so that even lines are selected when the scan lines 12 are sequentially selected. And odd lines are alternately driven by 1 bit.
여기서, 상기 데이터 드라이버(20)는 N개로 구성될 수 있다.Here, the data driver 20 may be composed of N pieces.
이처럼, 본 발명은 데이터 드라이버를 패널의 위 아래에 구성하여 데이터 신호를 홀수라인과 짝수라인을 교대로 분할하여 구동하여 자기발광소자 OLED를 이용한 패널 구동에 있어 발생하는 균일성(Uniformity) 문제를 보상하는 것이다.As described above, the present invention configures a data driver on the top and bottom of the panel to drive the data signal by dividing the odd and even lines alternately to compensate for the uniformity problem in driving the panel using the OLED. It is.
도 3 은 본 발명의 다른 실시예에 의한 자기발광소자 패널의 구동 방법을 설명하기 위한 도면이다.3 is a view for explaining a method of driving a self-light emitting device panel according to another embodiment of the present invention.
도 3 에 도시한 바와 같이, 본 발명은 상기 데이터 드라이버(20)를 패널(30)의 위 아래에 연결시 2 bit 또는 n bit 씩 서로 교호하여 좌우로 어긋나게 연결시켜 배선하여 스캔라인(12)이 순차적으로 선택될 때 2 bit 또는 n bit 씩 교대로 구동할 수도 있다.As shown in FIG. 3, in the present invention, when the data driver 20 is connected to the top and bottom of the panel 30, the scan line 12 is connected by alternately connecting the data driver 20 alternately from side to side to each other. When sequentially selected, two bits or n bits may be alternately driven.
또한, 본 발명은 상기 자기발광소자 패널(30)에 드라이빙 스위칭 소자를 화소에 구성하여 스위칭하는 AM(Active Matrix) 방식에 적용 가능하다.In addition, the present invention is applicable to an AM (Active Matrix) method of switching by configuring a driving switching element in a pixel of the self-light emitting device panel 30.
여기서, 상기 데이터 드라이버(20)는 하나의 IC로 패킹(Packing)하거나 복수 개의 IC로 분리 또는 패널에 부착하는 것 중 어느 하나로 구성할 수 있다.Here, the data driver 20 may be configured by any one of packing by one IC, separating by a plurality of ICs, or attaching to a panel.
위와 같이 본 발명은 도 2 내지 도 3에 도시한 바와 같이 패널의 위 아래에 데이터 드라이버를 구성하고 스캔라인이 순차적으로 선택될 때 데이터 드라이버에서 데이터 신호를 교대로 인가하여, OLED 디바이스의 유기전극과 배선전극 및 유기발광소자의 EL 커패시턴스(Capacitance)로 인해 패널의 크기가 커질수록 스캔라인이 많아질수록 배선전극과 EL 커패시턴스로 인하여 1번째 스캔라인에서 n번째 스캔라인으로 갈수록 소자의 밝기가 어두워지는 기존의 패널 전체화면의 균일성 문제를 해소하는 것이다.As described above, the present invention configures a data driver on the top and bottom of the panel as shown in FIGS. 2 and 3, and alternately applies data signals from the data driver when the scan lines are sequentially selected, so that the organic electrodes of the OLED device and As the panel size increases due to the EL capacitance of the wiring electrode and the organic light emitting diode, the scanline increases, and the brightness of the device becomes darker from the first scan line to the nth scan line due to the wiring electrode and EL capacitance. It is to solve the uniformity problem of the entire panel.
즉, 본 발명은 데이터 드라이버를 패널의 상하에 홀수라인과 짝수라인을 번갈아 구동함으로써 데이터 신호를 인가해주면 홀수라인과 짝수라인의 밝기가 서로 보상되어 패널 전체의 균일성 문제를 보상하고 그에 따른 전자파 장애(EMI)도 개선할 수 있는 것이다.That is, in the present invention, when data drivers are applied by alternately driving odd and even lines above and below the panel, the brightness of the odd and even lines is compensated for each other, thereby compensating for the uniformity problem of the entire panel and the resulting electromagnetic interference. (EMI) can also be improved.
상술한 바와 같이, 본 발명은 자기발광소자 패널의 위 아래에 데이터 드라이버를 연결하고 데이터 신호가 양방향에서 인가되도록 배선하여 스캔라인이 순차적으로 선택될 때 각 구역이 별도의 셀처럼 구동함으로써 패널의 크기가 커짐에 따라 해상도가 높아짐에 따라 균일성이 떨어지는 것을 보상하는 것이다.As described above, the present invention connects the data driver to the top and bottom of the self-light emitting device panel and wires the data signal to be applied in both directions, thereby driving each region as a separate cell when the scan lines are sequentially selected. As the value increases, the uniformity decreases as the resolution increases.
또한, 본 발명은 데이터 드라이버를 패널의 상하에 홀수라인과 짝수라인을 번갈아 구동함으로써 데이터 드라이버 IC의 동작 주파수를 감소시키고 전력 소모를 줄일 수 있으며 그에 따른 전자파 장애도 개선시키는 것이다.In addition, the present invention is to drive the data driver by alternating odd and even lines on the top and bottom of the panel to reduce the operating frequency of the data driver IC and to reduce the power consumption, thereby improving the electromagnetic interference.
Claims (6)
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| KR1020040088016A KR100661157B1 (en) | 2004-11-01 | 2004-11-01 | Method for driving panel of own luminous element |
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| KR1020040088016A KR100661157B1 (en) | 2004-11-01 | 2004-11-01 | Method for driving panel of own luminous element |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103240A (en) * | 2014-06-26 | 2014-10-15 | 京东方科技集团股份有限公司 | Driving method and driving circuit of display panel |
| CN110600510A (en) * | 2019-08-23 | 2019-12-20 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and display panel |
| CN111477176A (en) * | 2020-04-30 | 2020-07-31 | 深圳市华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and electronic device |
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2004
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103240A (en) * | 2014-06-26 | 2014-10-15 | 京东方科技集团股份有限公司 | Driving method and driving circuit of display panel |
| US10013911B2 (en) | 2014-06-26 | 2018-07-03 | Boe Technology Group Co., Ltd. | Driving method and driving circuit of display panel and display device |
| CN110600510A (en) * | 2019-08-23 | 2019-12-20 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and display panel |
| WO2021035944A1 (en) * | 2019-08-23 | 2021-03-04 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and display panel |
| CN110600510B (en) * | 2019-08-23 | 2021-04-02 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and display panel |
| CN111477176A (en) * | 2020-04-30 | 2020-07-31 | 深圳市华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and electronic device |
| CN111477176B (en) * | 2020-04-30 | 2021-06-25 | 苏州华星光电技术有限公司 | Display panel, manufacturing method thereof and electronic device |
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