公开(公告)号：US11641008B2

公开(公告)日：2023-05-02

申请号：US16646537

申请日：2018-09-27

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee ,  Sung Su Son ,  Jong Ik Lee ,  Jae Hee Lim ,  Motonobu Takeya ,  Seung Sik Hong

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/62

Abstract: A light emitting device including a first light emitting cell, a second light emitting cell, and a third light emitting cell each including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, pads electrically connected to the first, second, and third light emitting cells, a first wavelength converter configured to convert a wavelength of light emitted from the first light emitting cell into a first wavelength, and a second wavelength converter configured to convert a wavelength of light emitted from the second light emitting cell into a second wavelength longer than the first wavelength, in which the first light emitting cell has a larger area than the third light emitting cell, and the second light emitting cell has a larger area than the first light emitting cell.

公开(公告)号：US11611021B2

公开(公告)日：2023-03-21

申请号：US16646537

申请日：2018-09-27

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee ,  Sung Su Son ,  Jong Ik Lee ,  Jae Hee Lim ,  Motonobu Takeya ,  Seung Sik Hong

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/62

Abstract: A light emitting device including a first light emitting cell, a second light emitting cell, and a third light emitting cell each including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, pads electrically connected to the first, second, and third light emitting cells, a first wavelength converter configured to convert a wavelength of light emitted from the first light emitting cell into a first wavelength, and a second wavelength converter configured to convert a wavelength of light emitted from the second light emitting cell into a second wavelength longer than the first wavelength, in which the first light emitting cell has a larger area than the third light emitting cell, and the second light emitting cell has a larger area than the first light emitting cell.

公开(公告)号：US11824145B2

公开(公告)日：2023-11-21

申请号：US17509050

申请日：2021-10-24

Applicant: SEOUL VIOSYS CO., LTD.

Inventor： Chung Hoon Lee ,  Sung Su Son ,  Jong Ik Lee ,  Jae Hee Lim ,  Motonobu Takeya ,  Seung Sik Hong

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L33/504 ,  H01L25/0753 ,  H01L33/62

Abstract: A display apparatus including a substrate, a first sub-pixel, a second sub-pixel, and a third sub-pixel disposed on the substrate and configured to emit red light, green light, and blue light, respectively, partition walls disposed between the first sub-pixel, the second sub-pixel, and the third sub-pixel, and configured to not transmit light, in which the first sub-pixel, the second sub-pixel, and the third sub-pixel include a first light emitting cell, a second light emitting cell, and a third light emitting cell, respectively, and a height of each of the first, second, and third light emitting cells is lower than a height of the partition walls, and a difference between the height of the partition walls and the height of each of the first, second, and third light emitting cells is less than 100 μm.