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US 10,520,766 B2Granted
Display panel and manufacturing method therefor
AssigneesXiamen Tianma Micro-Electronics Co., Ltd., Tiana Micro-Electronics Co., Ltd.
InventorsLong Zhang, Poping Shen, Lei Han, Qiong Song
Life of this patent
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Abstract
A display panel and a manufacturing method therefor are disclosed. The display panel includes a first substrate, a second substrate disposed opposite to the first substrate, and at least one of a first organic film layer disposed on the first substrate, and a second organic film layer disposed on the second substrate, where at least one of the first organic film layer or the second organic film layer is an polyimide doped with a dichromatic organic dye.
Claims16
A display panel, comprising:
- a first substrate;
- a second substrate disposed opposite to the first substrate;
- and
- a first organic film layer disposed on the first substrate, and
- a second organic film layer disposed on the second substrate,
- wherein each of the first organic film layer and the second organic film layer is an organic film layer of polyimide doped with a dichromatic organic dye, the dichromatic organic dye is orientationally aligned in the first organic film layer and the second organic film layer by being exposed to polarized ultraviolet (UV) light, wherein the first organic film layer is disposed on an inner side of the first substrate, and the second organic film layer is disposed on an inner side of the second substrate,
- wherein the display panel is a liquid crystal display panel, the first substrate is a color filter substrate, and the second substrate is an array substrate,
- wherein the display panel further comprises:
- a liquid crystal layer disposed between the first substrate and the second substrate;
- spacers formed between the first substrate and the second substrate;
- a frame sealant adhering to the first substrate and the second substrate to form a liquid crystal box together with the first substrate and the second substrate;
- a black matrix and color filters, which are disposed on the inner side of the first substrate;
- a thin-film transistor layer and a first transparent conductive film, which are disposed on the second substrate, and the thin-film transistor layer and the first transparent conductive film are disposed between the liquid crystal layer and the second substrate;
- wherein the first organic film layer is disposed between the liquid crystal layer and a film layer comprising the color filters and the black matrix, and the first organic film layer is directly in contact with the liquid crystal layer;
- and
- wherein the second organic film layer is disposed between the thin-film transistor layer and the first transparent conductive film, and the second organic film layer is directly in contact with the thin-film transistor layer.
13 more elements
A method for manufacturing a display panel, wherein the display panel comprises:
- a first substrate;
- a second substrate disposed opposite to the first substrate;
- a first organic film layer disposed on the first substrate, and
- a second organic film layer disposed on the second substrate, wherein each of the first organic film layer and the second organic film layer is an organic film layer of polyimide doped with a dichromatic organic dye, the dichromatic organic dye is orientationally aligned in the first organic film layer and the second organic film layer, wherein the first organic film layer is disposed on an inner side of the first substrate, and the second organic film layer is disposed on an inner side of the second substrate,
- wherein the display panel is a liquid crystal display panel, the first substrate is a color filter substrate, and the second substrate is an array substrate,
- wherein the display panel further comprises:
- a liquid crystal layer disposed between the first substrate and the second substrate;
- spacers formed between the first substrate and the second substrate;
- a frame sealant adhering to the first substrate and the second substrate to form a liquid crystal box together with the first substrate and the second substrate;
- a black matrix and a color filter, which are disposed on the inner side of the first substrate;
- a thin-film transistor layer and a first transparent conductive film, which are disposed on the second substrate, and the thin-film transistor layer and the first transparent conductive film are disposed between the liquid crystal layer and the second substrate;
- wherein the first organic film layer is disposed between the liquid crystal layer and a film layer comprising the color filters and the black matrix, and the first organic film layer is directly in contact with the liquid crystal layer;
- wherein the second organic film layer is disposed between the thin-film transistor layer and the first transparent conductive film, and the second organic film layer is directly in contact with the thin-film transistor layer;
- wherein the method comprises:
- forming the first substrate;
- forming a first organic matter layer on a first surface of the first substrate, wherein a polyimide prepolymer doped with the dichromatic organic dye is mixed in the first organic matter layer;
- exposing the first organic matter layer to polarized UV light to form the first organic film layer of polyimide doped with the dichromatic organic dye;
- forming the second substrate;
- forming a second organic matter layer on a third surface of the second substrate, wherein a polyimide prepolymer doped with the dichromatic organic dye is mixed in the second organic matter layer;
- and
- exposing the second organic matter layer to polarized UV light to form the second organic film layer of polyimide doped with the dichromatic organic dye;
- thereby forming the display panel.
19 more elements
Dependencies are inferred from the claim text.