Display device

By designing a multi-sub-pixel structure and lens array layer in an OLED display device, the light output is optimized, and the image distortion problem caused by color shift is solved, and the display effect of high color quality and light output efficiency is achieved.

CN119654016APending Publication Date: 2025-03-18SAMSUNG DISPLAY CO LTD
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Patent Information

Application Number
CN202410689581.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-09-18
Filing Date
2024-05-30
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

When the color shift phenomenon occurs excessively in the existing OLED display device, it may cause distortion of image information and affect the display effect.

Method used

The display device design is adopted that includes a light emitting element layer and a lens array layer. The light emitting element layer includes a plurality of sub-pixels, each of which has a different emission structure, and the light output is optimized through the lens array layer to ensure that the color coordinates of the light output information are within a predetermined range.

Benefits of technology

The color quality and light output efficiency of the display device are improved, the reliability and accuracy of the light output information are ensured, and the risk of image distortion is reduced.

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Abstract

A display device may include: a light emitting element layer disposed on a substrate and including an anode electrode, a cathode electrode, a first sub-pixel having a first emission structure, a second sub-pixel having a second emission structure, and a third sub-pixel having a third emission structure; and a lens array layer on the light emitting element layer and including lenses including a first lens, a second lens, and a third lens provided to overlap with the first emission structure, the second emission structure, and the third emission structure, respectively. In the first sub-pixel, first base light provided from the first emission structure may pass through the first lens and be provided as first light. In the second sub-pixel, second base light provided from the second emission structure may pass through the second lens and be provided as second light. In the third sub-pixel, third base light provided from the third emission structure may pass through the third lens and be provided as third light.
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