公开(公告)号：US20240234655A9

公开(公告)日：2024-07-11

申请号：US18490847

申请日：2023-10-20

Applicant: Applied Materials, Inc.

Inventor： Zhiyong LI ,  Sivapackia GANAPATHIAPPAN ,  Mingwei ZHU ,  Nag B. PATIBANDLA ,  Hou T. NG ,  Lisong XU ,  Ding KAI ,  Kulandaivelu SIVANANDAN

IPC: H01L33/60 ,  H01L25/16

CPC classification number: H01L33/60 ,  H01L25/167 ,  H01L2933/0058

Abstract: Embodiments of the present disclosure generally relate to LED pixels and methods of fabricating LED pixels. A device includes a backplane, at least three LEDs disposed on the backplane, subpixel isolation (SI) structures disposed defining wells of at least three subpixels, a reflection material is disposed on sidewalls and a top surface of the SI structures, at least three of the subpixels have a color conversion material disposed in the wells, an encapsulation layer disposed over the subpixel isolation structures and the subpixels, a light filter layer disposed over the encapsulation layer and micro-lenses disposed over the light filter layer and over each of the wells of the subpixels.

公开(公告)号：US20240136485A1

公开(公告)日：2024-04-25

申请号：US18490847

申请日：2023-10-19

Applicant: Applied Materials, Inc.

Inventor： Zhiyong LI ,  Sivapackia GANAPATHIAPPAN ,  Mingwei ZHU ,  Nag B. PATIBANDLA ,  Hou T. NG ,  Lisong XU ,  Ding KAI ,  Kulandaivelu SIVANANDAN

IPC: H01L33/60 ,  H01L25/16

CPC classification number: H01L33/60 ,  H01L25/167 ,  H01L2933/0058

Abstract: Embodiments of the present disclosure generally relate to LED pixels and methods of fabricating LED pixels. A device includes a backplane, at least three LEDs disposed on the backplane, subpixel isolation (SI) structures disposed defining wells of at least three subpixels, a reflection material is disposed on sidewalls and a top surface of the SI structures, at least three of the subpixels have a color conversion material disposed in the wells, an encapsulation layer disposed over the subpixel isolation structures and the subpixels, a light filter layer disposed over the encapsulation layer and micro-lenses disposed over the light filter layer and over each of the wells of the subpixels.