Light-emitting element having conductive contact layer

• Main Authors: Chen, Chao-Hsing, Chen, Hung-Che, Hon, Schang-Jing, Ko, Tsun-Kai, Wang, Jia-Kuen, Shen, Chien-Fu
• Format: Patent
• Language: English
• Published: 11.07.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

A light-emitting element includes a substrate including a first side, a second side and a third side connecting the first side and the second side; a light-emitting semiconductor stack on the substrate and including a first semiconductor layer, a second semiconductor layer, and a light-emitting layer between the first semiconductor layer and the second semiconductor layer; a first electrode on the first semiconductor layer and including a contact area and a first extension area; a second electrode on the second semiconductor layer; a protection layer on the light-emitting semiconductor stack and including a first through hole exposing the first electrode and a second through hole exposing the second electrode; a first conductive part on the protection layer and electrically connected to the first electrode; and a second conductive part on the protection layer and electrically connected to the second electrode, wherein the second conductive part comprises a projected area on the light-emitting semiconductor stack, the first extension area is located outside the projected area and located between the second conductive part and the third side.