Display panel

By using reflective and light-absorbing particles in the electronic paper display panel, combined with electrophoresis units and light-shielding structures, the ability to freely switch between wide and narrow viewing angles is achieved, solving the problems of insufficient resolution and brightness in existing technologies and improving the display effect, especially in low-light environments.

CN122284184BActive Publication Date: 2026-07-24HKC CORP LTD
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Patent Information

Application Number
CN202610665180.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2026-05-14
Publication Date
2026-07-24
Estimated Expiration
2046-05-14

AI Technical Summary

Technical Problem

While existing electronic paper display panels can achieve wide and narrow viewing angle switching, they suffer from insufficient resolution, aperture ratio, and display brightness, especially performing poorly in low-light environments.

Method used

By using reflective and light-absorbing particles with opposite charges and adjusting their positions by adjusting the electric field, the wide and narrow viewing angles of the display panel can be freely switched. Furthermore, through independent electrophoresis units and light-shielding structure design, the ink black spots at the pixel edges and light transmittance are improved.

Benefits of technology

It achieves high resolution and high brightness of the display panel during the switching between wide and narrow viewing angles, and the display effect is significantly improved, especially in low light environment. Moreover, it does not require pixel separation design, which ensures transmittance and brightness at normal viewing angles.

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Abstract

The present disclosure relates to the technical field of display, and in particular to a display panel, which comprises a first substrate, a light shielding structure, an electrophoretic structure and a plurality of electrode pairs. The light shielding structure is formed on the first substrate and surrounds to form a plurality of array-arranged containing cavities. A part of the electrophoretic structure is located in each containing cavity, and another part is formed on the side of the light shielding structure away from the first substrate. The electrophoretic structure comprises light-reflecting particles and light-absorbing particles with opposite charges. The electrode pairs correspond to the containing cavities one by one and are configured to apply a plurality of electric fields to the electrophoretic structure. Under a first electric field, the light-reflecting particles move to the side of the light-absorbing particles away from the first substrate, and the light-reflecting particles can shield the side of the light shielding structure away from the first substrate; under a second electric field, the light-reflecting particles move into the containing cavities and are located on the side of the light-absorbing particles away from the first substrate. The display panel in the present disclosure can realize dynamic display of wide and narrow viewing angle switching while improving the transmittance, resolution and display brightness.
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