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US 10,705,642 B2Granted
Force touch display device and method for manufacturing and driving the same
AssigneeBoe Technology Group Co., Ltd.
InventorXiangxiang Zou
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a force touch display device and a method for manufacturing and driving the force touch display drive. The force touch display device includes an array substrate, a light guide plate and a metal reflective plate. The array substrate includes a first carrier substrate and a metal wire grid and a metal connection terminal disposed on the first carrier substrate, in which the metal connection terminal is electrically connected to the metal reflective plate. The metal wire grid includes a plurality of metal wires arranged in parallel, and the metal wire grid is configured so that light passing through the metal wire grid becomes linearly polarized light. The light guide plate disposed between the array substrate and the metal reflective plate.
Claims11
A force touch display device, comprising:
- a metal reflective plate;
- an array substrate, that comprises a first carrier substrate and a metal wire grid and a metal connection terminal disposed on the first carrier substrate, in which the metal connection terminal is electrically connected to the metal reflective plate;
- and the metal wire grid comprises a plurality of metal wires arranged in parallel, and the metal wire grid is configured so that light passing through the metal wire grid becomes linearly polarized light, wherein the array substrate defines a display area and a non-display area, the metal wire grid is disposed in the display area, and the metal connection terminal is disposed in the non-display area, the metal wire grid comprises a plurality of electrode patterns distributed in a matrix, and adjacent electrode patterns are separated by a partition area, the force touch display device further comprises a color film substrate;
- the array substrate and the color film substrate are oppositely disposed;
- the color film substrate comprises a second carrier substrate and a plurality of color film layers and black matrix units distributed at a distance with each other on the second carrier substrate;
- and a projection of the metal wire grid falls within a projection of the plurality of color film layers;
- and a projection of the partition area falls within a projection of the black matrix units;
- and
- a light guide plate disposed between the array substrate and the metal reflective plate.
6 more elements
A method for manufacturing a force touch display device, comprising:
- providing a first carrier substrate, forming a metal wire grid, a metal connection terminal, a driving element, and a switching element on the first carrier substrate to obtain an array substrate, in which the metal wire grid comprises a plurality of metal wires arranged in parallel, and the metal wire grid is configured so that light passing through the metal wire grid becomes a linearly polarized light;
- providing a second carrier substrate, forming a plurality of color film layers and black matrix units distributed at a distance with each other on the second carrier substrate to obtain a color film substrate;
- oppositely disposing the array substrate and the color film substrate to form a display panel, wherein a projection of the metal wire grid falls within a projection of the plurality of color film layers;
- attaching a light guide plate and a metal reflective plate to a surface of the array substrate facing away from the metal wire grid and the metal connection terminal, and the light guide plate is disposed between the array substrate and the metal reflective plate;
- and
- electrically connecting the metal reflective plate to the metal connection terminal.
3 more elements
A method of driving a force touch display device, wherein the force touch display device comprises:
- a metal reflective plate;
- an array substrate that comprises a first carrier substrate and a metal wire grid and a metal connection terminal disposed on the first carrier substrate, in which the metal connection terminal is electrically connected to the metal reflective plate;
- and the metal wire grid comprises a plurality of metal wires arranged in parallel, and the metal wire grid is configured so that light passing through the metal wire grid becomes linearly polarized light, wherein the array substrate defines a display area and a non-display area, the metal wire grid is disposed in the display area, and the metal connection terminal is disposed in the non-display area, the metal wire grid comprises a plurality of electrode patterns distributed in a matrix, and adjacent electrode patterns are separated by a partition area, the force touch display device further comprises a color film substrate;
- the array substrate and the color film substrate are oppositely disposed;
- the color film substrate comprises a second carrier substrate and a plurality of color film layers and black matrix units distributed at a distance with each other on the second carrier substrate;
- and a projection of the metal wire grid falls within a projection of the plurality of color film layers;
- and a projection of the partition area falls within a projection of the black matrix units;
- and
- a light guide plate disposed between the array substrate and the metal reflective plate;
- wherein, the method for driving the force touch display device comprising:
- providing a ground signal or a DC signal to the metal reflective plate;
- and
- when pressure acts on the force touch display device, the pressure is calculated by detecting variations of a capacitance between the metal wire grid and the metal reflective plate.
10 more elements
Dependencies are inferred from the claim text.