Electroluminescent display panel and pixel structure thereof
OwnerChien-Ming Niehinventor
Life of this patent
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Abstract
An electroluminescent (EL) display panel includes a blue EL device, a red EL device, a green EL device, a first power line electrically connected to the blue EL device, a second power line electrically connected to the red EL device, and a third power line electrically connected to the green EL device. The first power line has a first width, the second power line has a second width, and the third power line has a third width, wherein the first width is larger than the second width and the first width is larger than the third width.
Claims22
An electroluminescent display panel, comprising:
- a substrate;
- a plurality of scanning lines disposed on the substrate, the scanning lines being arranged substantially in parallel to each other in a first direction;
- a plurality of data lines disposed on the substrate, the data lines being arranged substantially in parallel to each other in a second direction, wherein the data lines and the scanning lines at least define a plurality of blue sub-pixel areas arranged in the second direction, a plurality of red sub-pixel areas arranged in the second direction, and a plurality of green sub-pixel areas arranged in the second direction on the substrate;
- a plurality of electroluminescent devices, comprising:
- a plurality of blue electroluminescent devices, disposed in the blue sub-pixel areas;
- a plurality of red electroluminescent devices, disposed in the red sub-pixel areas;
- and
- a plurality of green electroluminescent devices, disposed in the green sub-pixel areas;
- and
- a plurality of power lines, comprising:
- at least one first power line, disposed on the substrate in the second direction and electrically connected to the blue electroluminescent devices, wherein the first power line has a first width;
- at least one second power line, disposed on the substrate in the second direction and electrically connected to the red electroluminescent devices, wherein the second power line has a second width;
- and
- at least one third power line, disposed on the substrate in the second direction and electrically connected to the green electroluminescent devices, wherein the third power line has a third width;
- wherein the first width is larger than the second width, and the first width is larger than the third width.
A pixel structure, disposed on a substrate having a blue sub-pixel area, a red sub-pixel area, and a green sub-pixel area defined thereon, the pixel structure comprising:
- a blue electroluminescent device, disposed in the blue sub-pixel area;
- a red electroluminescent device, disposed in the red sub-pixel area;
- a green electroluminescent device, disposed in the green sub-pixel area;
- a first power line, disposed on the substrate and electrically connected to the blue electroluminescent device, wherein the first power line has a first width;
- a second power line, disposed on the substrate and electrically connected to the red electroluminescent device, wherein the second power line has a second width;
- and
- a third power line, disposed on the substrate and electrically connected to the green electroluminescent device, wherein the third power line has a third width;
- wherein the first width is larger than the second width, and the first width is larger than the third width.
A pixel structure, disposed on a substrate having a first sub-pixel area, a second sub-pixel area, and a third sub-pixel area defined thereon, the pixel structure comprising:
- a first electroluminescent device, disposed in the first sub-pixel area for emitting a first color light with a first wavelength;
- a second electroluminescent device, disposed in the second sub-pixel area for emitting a second color light with a second wavelength;
- a third electroluminescent device, disposed in the third sub-pixel area for emitting a third color light with a third wavelength;
- a first power line, disposed on the substrate and electrically connected to the first electroluminescent device, wherein the first power line has a first width;
- a second power line, disposed on the substrate and electrically connected to the second electroluminescent device, wherein the second power line has a second width;
- and
- a third power line, disposed on the substrate and electrically connected to the third electroluminescent device, wherein the third power line has a third width;
- wherein the first wavelength is less than the second wavelength, the first wavelength is less than the third wavelength, the first width is larger than the second width, and the first width is larger than the third width.
Dependencies are inferred from the claim text.