13‐2: Organic Light‐Emitting Diode Display Constituted Side‐by‐Side OLED and Organic Photodiode Pixels Integrated in the Same Plane by Adopting MML (Metal Mask‐Less Lithography) Technology

This study presents the fabrication of a 513‐ppi organic light‐emitting diode (OLED) display featuring an integrated organic photodiode (OPD) within each pixel, eliminating the need for a fine metal mask. The fabrication process involves photolithography for the side‐by‐side patterning of OLED and O...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2024-06, Vol.55 (1), p.138-141
Main Authors: Sugimoto, Kazuya, Hatsumi, Ryo, Nakazawa, Yasutaka, Idojiri, Satoru, Kamada, Taisuke, Kubota, Daisuke, Okazaki, Kenichi, Yamagata, Sachiko, Yamazaki, Shunpei
Format: Article
Language:English
Subjects:
CAAC‐IGZO
Configurations
Fingerprint imaging
High‐aperture ratio Patterned Organic Semiconductor (HarPOS®)
Image resolution
Light emitting diodes
Metal Mask‐less Lithography (MML)
OLED
OPD
Photodiodes
Photolithography
Pixels
Sensor
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Description
Summary:This study presents the fabrication of a 513‐ppi organic light‐emitting diode (OLED) display featuring an integrated organic photodiode (OPD) within each pixel, eliminating the need for a fine metal mask. The fabrication process involves photolithography for the side‐by‐side patterning of OLED and OPD subpixels, leading to a four‐subpixel configuration. This configuration incorporates an OPD subpixel into each pixel while preserving the high resolution of OLED subpixels. The outcome is the successful development of an active panel capable of both high‐resolution display and imaging, boasting a high aperture ratio.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.17473