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High aspect ratio microdisplay and thin optical component for glass-like AR devices

Kang, Chan-mo ; Shin, Jin-Wook ; Choi, Sukyung ; [et al.]

Informa UK Limited ; 2021

In: Journal of Information Display Vol. 22, No. 3 ( 2021-07-03), p. 163-171

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In: Journal of Information Display, Informa UK Limited, Vol. 22, No. 3 ( 2021-07-03), p. 163-171

Type of Medium: Online Resource

ISSN: 1598-0316 , 2158-1606

URL: Article

DOI: 10.1080/15980316.2021.1902405

Language: English

Publisher: Informa UK Limited

Publication Date: 2021

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30‐1: Invited Paper: High Aspect Ratio OLED Microdisplay with Pin Mirror Lens for Small Form Factor AR Devices

Kang, Chan-Mo ; Shin, Jin-Wook ; Choi, Sukyung ; [et al.]

Wiley ; 2021

In: SID Symposium Digest of Technical Papers Vol. 52, No. 1 ( 2021-05), p. 379-382

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In: SID Symposium Digest of Technical Papers, Wiley, Vol. 52, No. 1 ( 2021-05), p. 379-382

Abstract: In this paper, we developed the high aspect ratio color OLED microdisplay and combined with the pin mirror lens, providing a wide FoV AR device in a small form factor. The white OLED exhibited the luminance of 14,072 cd/m 2 and current efficiency of 33.8 cd/A at 9 V. To reduce optical crosstalk, color filters were directly patterned on the chip. The high aspect ratio OLED microdisplay was then combined with the pin mirror lens, resulting in maximum horizontal FoV 46.6° at the lens thickness of 4 mm. By using such a simple display module, we successfully demonstrated the small form factor AR device.

Type of Medium: Online Resource

ISSN: 0097-966X , 2168-0159

URL: Issue

URL: Article

DOI: 10.1002/sdtp.v52.1

DOI: 10.1002/sdtp.14695

Language: English

Publisher: Wiley

Publication Date: 2021

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59‐2: Invited Paper: High‐Color‐Gamut Organic Light‐Emitting Diode Microdisplay for Augmented‐Reality/Virtual‐Reality Devices

Ahn, Dae Hyun ; Shin, Jin-Wook ; Kim, Kukjoo ; [et al.]

Wiley ; 2022

In: SID Symposium Digest of Technical Papers Vol. 53, No. 1 ( 2022-06), p. 772-775

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In: SID Symposium Digest of Technical Papers, Wiley, Vol. 53, No. 1 ( 2022-06), p. 772-775

Abstract: In this paper, we developed high color gamut OLED microdisplay. To minimize the crosstalk, a single stack white OLED structure with RGB main peaks was adopted, and RGB color filters were directly patterned on the OLED. In addition, we designed the optical crosstalk prediction model, which could predict the light loss according to the thickness of the passivation layer. As a result, we achieved high color gamut of 125.0% at sRGB, which demonstrated the high color gamut OLED microdisplay.

Type of Medium: Online Resource

ISSN: 0097-966X , 2168-0159

URL: Issue

URL: Article

DOI: 10.1002/sdtp.v53.1

DOI: 10.1002/sdtp.15605

Language: English

Publisher: Wiley

Publication Date: 2022

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12‐3: Organic Light‐emitting Diode Microdisplay with a 32:9 Aspect Ratio for Wide Field of View

Lee, Hyunkoo ; Cho, Hyunsu ; Byun, Chun-Won ; [et al.]

Wiley ; 2020

In: SID Symposium Digest of Technical Papers Vol. 51, No. 1 ( 2020-08), p. 153-155

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In: SID Symposium Digest of Technical Papers, Wiley, Vol. 51, No. 1 ( 2020-08), p. 153-155

Abstract: Microdiplay is one of critical factors to determine the performance of AR glasses. A white OLED with tandem structure have been developed for OLED microdiplays. The device has driving voltage of 6.9 V for 1,000 cd/m 2 and maximum current efficiency of 19.5 cd/A. Using developed white OLED structure, we have successfully demonstrated a white OLED microdisplay with a 32:9 aspect ratio. This large aspect ratio can be helpful for improving field of view of AR glasses using a pin mirror lens.

Type of Medium: Online Resource

ISSN: 0097-966X , 2168-0159

URL: Issue

URL: Article

DOI: 10.1002/sdtp.2020.51.issue-1

DOI: 10.1002/sdtp.13826

Language: English

Publisher: Wiley

Publication Date: 2020

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White organic light-emitting diode (OLED) microdisplay with a tandem structure

Cho, Hyunsu ; Byun, Chun-Won ; Kang, Chan-Mo ; [et al.]

Informa UK Limited ; 2019

In: Journal of Information Display Vol. 20, No. 4 ( 2019-10-02), p. 249-255

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In: Journal of Information Display, Informa UK Limited, Vol. 20, No. 4 ( 2019-10-02), p. 249-255

Type of Medium: Online Resource

ISSN: 1598-0316 , 2158-1606

URL: Article

DOI: 10.1080/15980316.2019.1671240

Language: English

Publisher: Informa UK Limited

Publication Date: 2019

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