Back to results
US 11,107,949 B2Granted
LED display device, method for manufacturing the same, and LED display panel
AssigneeChengdu Vistar Optoelectronics Co., Ltd.
InventorsDong Wei, Xiaolong Yang, Jiantai Wang, Huashan Chen, Rubo Xing
Life of this patent
Estimating the term…
Abstract
A light emitting diode (LED) display device includes a plurality of pixel units. Each of the plurality of pixel units includes a red subpixel, a green subpixel, and a blue subpixel. The red subpixel is arranged with a first LED chip, the green subpixel is arranged with a second LED chip, and the blue subpixel is arranged with a third LED chip. The first LED chip is a blue LED chip or a green LED chip. The second LED chip is the green LED chip. The third LED chip is the blue LED chip. The red subpixel is further arranged with a red light conversion block arranged on the first LED chip.
Claims20
A light emitting diode display device, comprising a plurality of pixel units, each of the plurality of pixel units comprising a red subpixel, a green subpixel, and a blue subpixel wherein
- the red subpixel is arranged with a first light emitting diode chip, the green subpixel is arranged with a second light emitting diode chip, and the blue subpixel is arranged with a third light emitting diode chip;
- the plurality of pixel units comprise a plurality of first light emitting diode chips, a plurality of second light emitting diode chips and a plurality of third light emitting diode chips, and a seal layer is arranged on the plurality of first light emitting diode chips, the plurality of second light emitting diode chips and the plurality of third light emitting diode chips;
- the first light emitting diode chip is a blue light emitting diode chip or a green light emitting diode chip;
- the second light emitting diode chip is the green light emitting diode chip;
- the third light emitting diode chip is the blue light emitting diode chip;
- and
- the red subpixel is further arranged with a red light conversion block arranged on the first light emitting diode chip,
- the seal layer comprises a sealing material and a plurality of red light conversion blocks, and the sealing material comprises a plurality of separated sealing portions, and each of the red light conversion blocks is arranged between every two separated sealing portions;
- each of the red light conversion blocks is arranged on each of the first light emitting diode chips respectively, and the sealing portions are arranged on the second light emitting diode chips and the third light emitting diode chips respectively.
6 more elements
A light emitting diode display panel, comprising a driving circuit and a light emitting diode display device, wherein
- the light emitting diode display device comprises a plurality of pixel units, each of the plurality of pixel units comprises a red subpixel, a green subpixel, and a blue subpixel;
- the red subpixel is arranged with a first light emitting diode chip, the green subpixel is arranged with a second light emitting diode chip, and a blue subpixel is arranged with a third light emitting diode chip;
- the plurality of pixel units comprise a plurality of first light emitting diode chips, a plurality of second light emitting diode chips and a plurality of third light emitting diode chips, and a seal layer is arranged on the plurality of first light emitting diode chips, the plurality of second light emitting diode chips and the plurality of third light emitting diode chips;
- the first light emitting diode chip is a blue light emitting diode chip or a green light emitting diode chip;
- the second light emitting diode chip is the green light emitting diode chip;
- the third light emitting diode chip is the blue light emitting diode chip;
- the red subpixel is further arranged with a red light conversion block arranged on the first light emitting diode chip;
- the seal layer comprises a sealing material and a plurality of red light conversion blocks, and the sealing material comprises a plurality of separated sealing portions, and each of the red light conversion blocks is arranged between every two separated sealing portions;
- each of the red light conversion blocks is arranged on each of the first light emitting diode chips respectively, and the sealing portions are arranged on the second light emitting diode chips and the third light emitting diode chips respectively;
- and
- the driving circuit is electrically coupled with the first light emitting diode chip, the second light emitting diode chip, and the third light emitting diode chip.
8 more elements
A method for manufacturing a light emitting diode display device, comprising:
- providing a substrate, the substrate comprising a first region at which a red subpixel is formed, a second region at which a green subpixel is formed, and a third region at which a blue subpixel is formed;
- arranging a first light emitting diode chip, a second light emitting diode chip, and a third light emitting diode chip in the first region, the second region, and the third region, respectively, wherein the light emitting diode chip is a blue light emitting diode chip or a green light emitting diode chip, the second light emitting diode chip is the green light emitting diode chip, and the third light emitting diode chip is the blue light emitting diode chip;
- arranging a red light conversion block on the first light emitting diode chip in the first region;
- arranging a sealing material on the second light emitting diode chip and the third light emitting diode chip, wherein the sealing material comprises at least two separated sealing portions, and the red light conversion block is arranged between every two separated sealing portions, the at least two separated sealing portions are arranged on the second light emitting diode chip and the third light emitting diode chip.
1 more element
Dependencies are inferred from the claim text.