Samsung Display Co., Ltd.

Jong Won Lee

Hyun Min Cho

Je Won Yoo

Dae Hyun Kim

Hyo Jung Kim

Joo Yeol Lee

Jong Woo Park

Young Tae Choi

Dae Youn Cho

Ju Hee Lee

Basrur Veidhes

Sang Kil Kim

Dong Gi Ahn

Chul Jong Yoo

In Hyuk Kim

An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.

Optical inspection apparatus

A display device comprises a first electrode disposed on a substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, light emitting elements having ends disposed on the first electrode and the second electrode, a third electrode disposed on the substrate, and a fourth electrode disposed on the substrate and spaced apart from the third electrode, and semiconductor elements having ends disposed on the third electrode and the fourth electrode, wherein the light emitting elements each include a first semiconductor layer, a second semiconductor layer, and a light emitting layer disposed between the first semiconductor layer and the second semiconductor layer, and the semiconductor elements and the first semiconductor layer of the light emitting elements includes a same material.

Display device

A display device comprises a substrate, a first electrode on the substrate and extending in a first direction, a second electrode on the substrate and extending in the first direction, the second electrode being spaced apart from the first electrode in a second direction, a first insulating layer on the first electrode and the second electrode, light-emitting elements on the first insulating layer, the light-emitting elements being disposed on the first electrode and the second electrode, a second insulating layer disposed on the light-emitting elements, a first contact electrode disposed on the first electrode and electrically contacting the light-emitting elements, and a second contact electrode disposed on the second electrode and electrically contacting the light-emitting elements. The second insulating layer comprises patterns that cover at least part of the light-emitting elements and are spaced apart from one another in the first direction.

Display device featuring spaced apart insulating layer patterns

A light emitting element and a display device including the same are provided. The light emitting element includes: a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; a passivation layer surrounding an outer surface of at least one selected from the first semiconductor layer, the second semiconductor layer, and the active layer; and an insulation layer surrounding an outer surface of the passivation layer, wherein the passivation layer includes a two-dimensional (2D) material.

Light emitting element and display device including the same

An organic light emitting display device includes scan lines arranged in horizontal lines, data lines intersecting the scan lines, a pixel array including pixels coupled to the scan lines and the data lines, the pixels including at least first color pixels, a panel tester including switching elements coupled to first ends of the data lines, the switching elements including at least first and second switching elements, and a first line coupled to the first switching elements and a second line coupled to the second switching elements. Data lines of K-th to (K+L)-th (where K and L are natural numbers) first color pixels arranged in a predetermined horizontal line are coupled to the first line through the first switching elements, and data lines of at least a part of remaining first color pixels arranged in the predetermined horizontal line are coupled to the second line through the second switching elements.

Organic light emitting display device and method of testing the same

Growing community of inventors

Yongin-si, South Korea

Jong Won Lee