A Study on the large size AMOLED Display Backplane less mask process

In Young Chung, Guanghai Jin, Hyunsik Yoon

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this work, the large AMOLED Display Backplane LTPS 5Mask PA method was studied. A storage cap was formed by doping boron on the poly Si under the GI cap in the contact hole process without using a storage cap doping mask. In the contact hole process, half-tone PR was used to simultaneously perform cap doping and TFT Source drain open. Since half-tone PR must remain uniform to protect the cap lead-in end with GI uniformly within 8G Glass, photolithography PR process conditions with good half-tone uniformity were set up.

Original languageEnglish
Title of host publication30th International Workshop on Active-Matrix Flatpanel Displays and Devices
Subtitle of host publicationTFT Technologies and FPD Materials, AM-FPD 2023 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages206-209
Number of pages4
ISBN (Electronic)9784991216947
StatePublished - 2023
Event30th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials, AM-FPD 2023 - Hybrid, Kyoto, Japan
Duration: 4 Jul 20237 Jul 2023

Publication series

Name30th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials, AM-FPD 2023 - Proceedings

Conference

Conference30th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials, AM-FPD 2023
Country/TerritoryJapan
CityHybrid, Kyoto
Period4/07/237/07/23

Keywords

  • Half-tone PR
  • Less mask
  • Storage cap doping

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