Apple Inc.

David L Wei

Shih Chang Chang

Tsung-Ting Tsai

Ting-Kuo Chang

Jean-Pierre Simon Guillou

Abbas Jamshidi Roudbari

Prashant Mandlik

Jae Won Choi

Bhadrinarayana Lalgudi Visweswaran

Christopher Edward Glazowski

Shang-Chih Lin

Takahide Ishii

Cheng-Chih Hsieh

Han Liu

Themistoklis Afentakis

Ankit Mahajan

Chia-hao Chang

Hui Lu

Ko-Wei Chen

Asli Sirman

An electronic device may have a display such as an organic light-emitting diode display. The organic light-emitting diode (OLED) display may have an array of organic light-emitting diode pixels that each have OLED layers interposed between a cathode and an anode. A first passivation layer, a first planarization layer, and a second passivation layer may be formed over the cathode. The first and second passivation layers may be formed from inorganic material. A second planarization layer may be formed over the second passivation layer between the second passivation layer and a polarizer. The second planarization layer may planarize the polarizer at the edges of the active area of the display where the polarizer would otherwise have a steep taper. Planarizing the polarizer in this way mitigates undesirable secondary reflections off of the polarizer. The first and second planarization layers may be formed from organic material.

Organic light-emitting diode displays with planarization layers

Growing community of inventors

San Diego, CA, United States of America

David L Wei