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US 12,016,144 B2Granted
Display screen and display device
AssigneeWuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorsWen Han, Zikang Feng
Life of this patent
Estimating the term…
Abstract
A display screen and a display device are provided. The display has a bending area. The display screen has a display layer and a cover plate layer. The cover plate layer is located on the display layer. The cover plate layer has a composite portion located in the bending area. A plurality of holes are formed in the composite portion. The holes are filled with a material, and an elastic modulus of the material is smaller than an elastic modulus of the composite portion.
Claims18
A display screen, comprising a bending area, wherein the display screen comprises:
- a display layer;
- and
- a cover plate layer, wherein the cover plate layer is located on the display layer, and the cover plate layer includes a composite portion located in the bending area, wherein a plurality of holes are defined in the composite portion, and the holes are filled with a material, and an elastic modulus of the material is smaller than an elastic modulus of the composite portion,
- wherein the display layer comprises an array substrate layer, the array substrate layer comprises a plurality of film layers, and a portion of at least one of the film layers in the array substrate layer is provided with a plurality of first openings;
- the composite portion comprises a main composite portion and a first auxiliary composite portion and a second auxiliary composite portion located on both sides of the main composite portion, wherein a volume ratio of the plurality of holes in the main composite portion is greater than a volume ratio of the plurality of holes in any one of the first sub-composite portion and the second sub-composite portion;
- wherein a distance, which is in a second direction perpendicular to a first direction, between two adjacent holes in the first sub-composite portion, a distance in the second direction between two adjacent holes in the main composite portion, a distance in the second direction between two adjacent holes in the second sub-composite portion are gradually changed along the second direction, the first direction is a direction in which the main composite portion points to the second auxiliary composite portion.
3 more elements
A display screen, comprising a bending area, wherein the display screen comprises:
- a display layer;
- and
- a cover plate layer, wherein the cover plate layer is located on the display layer, and the cover plate layer includes a composite portion located in the bending area, wherein a plurality of holes are defined in the composite portion, and the holes are filled with a material, and an elastic modulus of the material is smaller than an elastic modulus of the composite portion;
- the composite portion comprises a main composite portion and a first auxiliary composite portion and a second auxiliary composite portion located on both sides of the main composite portion, wherein a volume ratio of the plurality of holes in the main composite portion is greater than a volume ratio of the plurality of holes in any one of the first sub-composite portion and the second sub-composite portion;
- wherein a distance, which is in a second direction perpendicular to a first direction, between two adjacent holes in the first sub-composite portion, a distance in the second direction between two adjacent holes in the main composite portion, a distance in the second direction between two adjacent holes in the second sub-composite portion are gradually changed along the second direction, the first direction is a direction in which the main composite portion points to the second auxiliary composite portion.
2 more elements
A display device, comprising a display screen, wherein the display screen comprises:
- a display layer;
- a cover plate layer, wherein the cover plate layer is located on the display layer, and the cover plate layer includes a composite portion located in a bending area, wherein a plurality of holes are defined in the composite portion, and the holes are filled with a material, and an elastic modulus of the material is smaller than an elastic modulus of the composite portion, the composite portion comprises a main composite portion and a first auxiliary composite portion and a second auxiliary composite portion located on both sides of the main composite portion, wherein a volume ratio of the plurality of holes in the main composite portion is greater than a volume ratio of the plurality of holes in any one of the first sub-composite portion and the second sub-composite portion;
- wherein a distance, which is in a second direction perpendicular to a first direction, between two adjacent holes in the first sub-composite portion, a distance in the second direction between two adjacent holes in the main composite portion, a distance in the second direction between two adjacent holes in the second sub-composite portion are gradually changed along the second direction, the first direction is a direction in which the main composite portion points to the second auxiliary composite portion;
- wherein the display device further comprises:
- a supporting member, wherein the display screen is laid on the supporting member, and the supporting member comprises a first supporting member and a second supporting member, wherein the first support member and the second support member are relatively slidably arranged, and the first support member corresponds to the bending area,
- a transmission mechanism, wherein the transmission mechanism is connected to the first support member, a first end of the cover plate layer is connected to an end of the second support member away from the first support member, and a second end of the cover plate layer is connected to the transmission mechanism;
- and
- a reel, wherein the reel is located at an end of the first support member away from the second support member,
- wherein, when the second support member and the first support member slide relatively, the cover plate layer causes the display screen to move relative to the supporting member under an action of the second supporting member and the transmission mechanism, wherein the reel is used to assist a relative movement of the display screen on the supporting member;
- and
- wherein the display layer comprises a pre-bending part, the pre-bending portion bypasses the reel and extends to a side of the first support member away from the cover plate layer, or the pre-bending portion is located at an end of the first support member away from the cover plate layer after the display screen moves relative to the support member.
8 more elements
Dependencies are inferred from the claim text.