DISPLAY PANEL OF AN ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE HAVING A PENTILE PIXEL STRUCTURE
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
G09G-003/3225
H01L-027/32
G09G-003/3266
G09G-003/3275
출원번호
16290970
(2019-03-04)
공개번호
20190279563
(2019-09-12)
우선권정보
KR-10-2018-0026529 (2018-03-06)
발명자
/ 주소
HWANG, Young-In
Gil, Elly
Kim, Eungtaek
Lee, Jina
Jo, Joohyeon
Chu, Seongbaik
출원인 / 주소
HWANG, Young-In
인용정보
피인용 횟수 :
0인용 특허 :
0
초록▼
A display panel of an OLED display device includes a first OLED disposed in a first sub-pixel region, a second OLED disposed in a second sub-pixel region adjacent to the first sub-pixel region in a row direction, a third OLED disposed in a third sub-pixel region adjacent to the first sub-pixel regio
A display panel of an OLED display device includes a first OLED disposed in a first sub-pixel region, a second OLED disposed in a second sub-pixel region adjacent to the first sub-pixel region in a row direction, a third OLED disposed in a third sub-pixel region adjacent to the first sub-pixel region in a column direction, a fourth OLED disposed in a fourth sub-pixel region adjacent to the second sub-pixel region in the column direction and adjacent to the third sub-pixel region in the row direction, a first sub-pixel circuit disposed in the first sub-pixel region and a fourth sub-pixel circuit disposed in the fourth sub-pixel region, both configured to drive the first OLED, a second sub-pixel circuit disposed in the second sub-pixel region, and configured to drive the fourth OLED, a third sub-pixel circuit disposed in the third sub-pixel region, and configured to drive the third OLED.
대표청구항▼
1. A display panel of an organic light emitting diode (OLED) display device, the display panel comprising: a first OLED disposed in a first sub-pixel region, and configured to emit light of a first color;a second OLED disposed in a second sub-pixel region adjacent to the first sub-pixel region in a
1. A display panel of an organic light emitting diode (OLED) display device, the display panel comprising: a first OLED disposed in a first sub-pixel region, and configured to emit light of a first color;a second OLED disposed in a second sub-pixel region adjacent to the first sub-pixel region in a row direction, and configured to emit light of a second color;a third OLED disposed in a third sub-pixel region adjacent to the first sub-pixel region in a column direction, and configured to emit light of a third color;a fourth OLED disposed in a fourth sub-pixel region adjacent to the second sub-pixel region in the column direction and adjacent to the third sub-pixel region in the row direction, and configured to emit light of the first color;a first sub-pixel circuit disposed in the first sub-pixel region, and configured to drive the first OLED in the first sub-pixel region;a second sub-pixel circuit disposed in the second sub-pixel region, and configured to is drive the fourth OLED in the fourth sub-pixel region;a third sub-pixel circuit disposed in the third sub-pixel region, and configured to drive the third OLED in the third sub-pixel region; anda fourth sub-pixel circuit disposed in the fourth sub-pixel region, and configured to drive the second OLED in the second sub-pixel region. 2. The display panel of claim 1, wherein the first and fourth OLEDs are green OLEDs configured to emit green light, the second OLED is a red OLED configured to emit red light, and the third OLED is a blue OLED configured to emit blue light. 3. The display panel of claim 1, wherein the second OLED in the second sub-pixel region includes an anode extension portion connected to the fourth sub-pixel circuit, and wherein the fourth OLED in the fourth sub-pixel region includes another anode extension portion connected to the second sub-pixel circuit. 4. The display panel of claim 1, wherein the first and second sub-pixel circuits each receives a first scan signal having substantially the same value through a first scan line, and wherein the third and fourth sub-pixel circuits each receives a second scan signal having substantially the same value through a second scan line. 5. The display panel of claim 4, wherein a first scan on time (SOT) of the first scan signal applied to the first and second sub-pixel circuits is different from a second SOT of the second scan signal applied to the third and fourth sub-pixel circuits. 6. The display panel of claim 4, wherein a first SOT of the first scan signal applied to the first and second sub-pixel circuits is longer than a second SOT of the second scan signal applied to the third and fourth sub-pixel circuits. 7. The display panel of claim 6, wherein the first and second sub-pixel circuits further comprise first driving transistors, the third and fourth sub-pixel circuits further comprise second driving transistors a first threshold voltage compensation time for the first driving transistors is longer than a second threshold voltage compensation time for the second driving transistors. 8. The display panel of claim 1, wherein the first and second sub-pixel circuits receive a first emission control signal having substantially the same value through a first emission control line, and wherein the third and fourth sub-pixel circuits receive a second emission control signal having substantially the same value through a second emission control line. 9. The display panel of claim 8, wherein a first off period ratio of the first emission control signal applied to the first and second sub-pixel circuits is different from a second off period ratio of the second emission control applied to the third and fourth sub-pixel circuits. 10. The display panel of claim 8, wherein a first off period ratio of the first emission control signal applied to the first and second sub-pixel circuits is greater than a second off period ratio of the second emission control applied to the third and fourth sub-pixel circuits. 11. The display panel of claim 10, wherein the first and second sub-pixel circuits drive the first and fourth OLEDs to emit the light of the first color with the first off period ratio that is increased compared to the second off period ratio for the second and third OLEDs. 12. The display panel of claim 11, wherein the first and second sub-pixel circuits provide the first and fourth OLEDs with a driving current corresponding to the increased first off period ratio, the driving current being provided to the first and fourth OLEDs being greater than driving current provided to the second and third OLEDs. 13. A display panel of an organic light emitting diode (OLED) display device, comprising: a first OLED disposed in a first sub-pixel region, and configured to emit light of a first color;a second OLED disposed in a second sub-pixel region adjacent to the first sub-pixel region in a row direction, and configured to emit light of a second color;a third OLED disposed in a third sub-pixel region adjacent to the first sub-pixel region in a column direction, and configured to emit light of a third color;a fourth OLED disposed in a fourth sub-pixel region adjacent to the second sub-pixel region in the column direction and adjacent to the third sub-pixel region in the row direction, and configured to emit light of the first color;a first sub-pixel circuit configured to drive the first OLED;a second sub-pixel circuit configured to drive the second OLED;a third sub-pixel circuit configured to drive the third OLED;a fourth sub-pixel circuit configured to drive the fourth OLED;a first scan line extending in the row direction through the first sub-pixel region and the second sub-pixel region, and connected to the first sub-pixel circuit;a second scan line extending in the row direction through the third sub-pixel region and the fourth sub-pixel region, and connected to the third sub-pixel circuit;a first auxiliary scan line connecting the first scan line to the fourth sub-pixel circuit; anda second auxiliary scan line connecting the second scan line to the third sub-pixel circuit. 14. The display panel of claim 13, wherein the first sub-pixel circuit receives a first scan signal through the first scan line, wherein the fourth sub-pixel circuit is configured to receive the first scan signal through the first scan line and the first auxiliary scan line,wherein the third sub-pixel circuit is configured to receive a second scan signal through the second scan line, andwherein the second sub-pixel circuit is configured to receive the second scan signal through the second scan line and the second auxiliary scan line. 15. The display panel of claim 14, wherein a first scan on time (SOT) of the first scan signal applied to the first and fourth sub-pixel circuits is longer than a second SOT of the second scan signal applied to the second and third sub-pixel circuits. 16. The display panel of claim 13, further comprising: a first emission control line extending in the row direction through the first sub-pixel region and the second sub-pixel region, and connected to the first sub-pixel circuit;a second emission control line extending in the row direction through the third sub-pixel region and the fourth sub-pixel region, and connected to the third sub-pixel circuit;a first auxiliary emission control line connecting the first emission control line to the fourth sub-pixel circuit; anda second auxiliary emission control line connecting the second emission control line to the third sub-pixel circuit. 17. The display panel of claim 16, wherein the first sub-pixel circuit is configured to receive a first emission control signal through the first emission control line, wherein the fourth sub-pixel circuit is configured to receive the first emission control signal through the first emission control line and the first auxiliary emission control line,wherein the third sub-pixel circuit in the third sub-pixel region is configured to receive a second emission control signal through the second emission control line, andwherein the second sub-pixel circuit is configured to receive the second emission control signal through the second emission control line and the second auxiliary emission control line. 18. The display panel of claim 17, wherein a first off period ratio of the first emission control signal applied to the first and fourth sub-pixel circuits is greater than a second off period ratio of the second emission control applied to the second and third sub-pixel circuits. 19. The display panel of claim 18, wherein the first and fourth sub-pixel circuits are configured to drive the first and fourth OLEDs to emit the light of the first color with the first off period ratio that is increased compared to the second off period ratio for the second and third OLEDs. 20. An organic light emitting diode (OLED) display device, comprising: a display panel;a data driver configured to provide data signals to the display panel;a scan driver configured to provide scan signals to the display panel;an emission driver configured to provide emission control signals to the display panel; anda timing controller configured to control the data driver, the scan driver and the emission driver,wherein the display panel comprises: a first OLED disposed in a first sub-pixel region, and configured to emit light of a first color;a second OLED disposed in a second sub-pixel region adjacent to the first sub-pixel region in a row direction, and configured to emit light of a second color;a third OLED disposed in a third sub-pixel region adjacent to the first sub-pixel region in a column direction, and configured to emit light of a third color;a fourth OLED disposed in a fourth sub-pixel region adjacent to the second sub-pixel region in the column direction and adjacent to the third sub-pixel region in the row direction, and configured to emit light of the first color;a first sub-pixel circuit disposed in the first sub-pixel region, and configured to drive the first OLED in the first sub-pixel region;a second sub-pixel circuit disposed in the second sub-pixel region, and configured to drive the fourth OLED in the fourth sub-pixel region;a third sub-pixel circuit disposed in the third sub-pixel region, and configured to drive the third OLED in the third sub-pixel region; anda fourth sub-pixel circuit disposed in the fourth sub-pixel region, and configured to drive the second OLED in the second sub-pixel region.
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