Peep-proof device, display device and method for driving the display device
AssigneesBeijing Boe Optoelectronics Technology Co., Ltd., Boe Technology Group Co., Ltd.
InventorsYinwei Chen, Xuerong Wang, Yali Liu, Haiwei Sun, Fei Gao
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Abstract
A peep-proof device, a display device and a method for driving the display device are provided. The peep-proof device includes at least one light beam adjustment layer. The light beam adjustment layer includes: a transparent base layer and a plurality of grooves formed in a surface of the transparent base layer; and a liquid crystal layer arranged within the plurality of grooves. A refractive index of the transparent base layer is same as a refractive index of the liquid crystal layer to ordinary light beam.
Claims17
A peep-proof device, comprising at least one light beam adjustment layer, wherein the at least one light beam adjustment layer comprises:
- a transparent base layer, a plurality of grooves being formed in a surface of the transparent base layer;
- and
- a liquid crystal layer arranged within the plurality of grooves,
- wherein a refractive index of the transparent base layer is same as a refractive index of the liquid crystal layer to an ordinary light beam;
- the plurality of grooves comprise first grooves, second grooves, and third grooves;
- a surface of each of the first grooves is a part of a spherical surface;
- a surface of each of the second grooves is a part of a conical surface;
- a surface of each of the third grooves is a part of a surface of a frustum of a prism;
- and
- the first grooves, the second grooves, and the third grooves are arranged alternately and continuously in an array form in the surface of the transparent base layer.
A peep-proof device, comprising:
- a first transparent substrate;
- a second transparent substrate arranged opposite to the first transparent substrate;
- and
- at least one light beam adjustment layer arranged between the first transparent substrate and the second transparent substrate,
- wherein the at least one light beam adjustment layer comprises a plurality of microlens structures, each of the microlens structures comprises a transparent base layer and a liquid crystal layer, a plurality of grooves is arranged in a surface of the transparent base layer proximate to the first transparent substrate, and the grooves are filled with liquid crystal;
- a long-axis direction of each of liquid crystal molecules in the liquid crystal layer is capable of being perpendicular to the first transparent substrate, and a refractive index of the transparent base layer is same as a refractive index of the liquid crystal layer to an ordinary light beam;
- the plurality of grooves comprise first grooves, second grooves, and third grooves;
- a surface of each of the first grooves is a part of a spherical surface;
- a surface of each of the second grooves is a part of a conical surface;
- a surface of each of the third grooves is a part of a surface of a frustum of a prism;
- and
- the first grooves, the second grooves, and the third grooves are arranged alternately and continuously in an array form in the surface of the transparent base layer.
Dependencies are inferred from the claim text.