Samsung Display Co., Ltd.

Esu Kim

Youngkook Kim

Seokhwan Hwang

Jongwoo Kim

Eunjae Jeong

Sanghyun Han

Wonmin Yun

Jangyeol Baek

Yohan Kim

Yiseop Shim

Heera Kim

Changsoon Jang

An organic light-emitting display apparatus includes a substrate, an organic light-emitting device disposed above the substrate, and an encapsulation unit disposed above the organic light-emitting device and sealing the organic light-emitting device, wherein the encapsulation unit includes a compound represented by Formula 1.[R-(L)]-(Ar)-[(L)-R].&#x2003;&#x2003;Formula 1

Organic light-emitting display apparatus with an encapsulation unit

A mask of a display device for forming a light shielding unit, which includes a first column spacer, a second column spacer, a light shielding layer, and a first groove, is capable of reducing the number of tones therein, the mask including: a first portion corresponding to the first column spacer; a second portion having substantially a same light transmittance as that of the first portion and corresponding to the second column spacer; a third portion corresponding to the light shielding layer; a fourth portion corresponding to a pixel region; and a fifth portion disposed between the first portion and the third portion to correspond to the first groove and having a light transmittance substantially the same as that of the fourth portion.

Mask of display device and display device fabricated with the mask

Growing community of inventors

Yongin-si, South Korea

Esu Kim