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US 11,960,667 B2Granted
Display device and touch input system including the same
AssigneeSamsung Display Co., Ltd.
InventorSoon Gyu Lee
Life of this patent
Estimating the term…
Abstract
A display device includes a display unit including a plurality of emission areas, a plurality of touch electrodes that sense a touch, a plurality of code patterns formed in a preset code shape on partial areas of front surfaces of the plurality of touch electrodes, a plurality of tilt sensing patterns including a light absorbent disposed in an inner area or a peripheral area of each of the plurality of code patterns, and a main processor. The main processor receives detected image data corresponding to the plurality of tilt sensing patterns from a position input device, and determines arrangement direction information and tilt information of the position input device by comparing the detected image data with each other.
Claims18
A display device, comprising:
- a display unit comprising a plurality of emission areas;
- a plurality of touch electrodes that sense a touch;
- a plurality of code patterns formed in a preset code shape on partial areas of front surfaces of the plurality of touch electrodes;
- a plurality of tilt sensing patterns, including first to fourth tilt sensing patterns, comprising a light absorbent disposed in an inner area or a peripheral area of each of the plurality of code patterns;
- and
- a main processor that
- receives detected image data corresponding to the plurality of tilt sensing patterns from a position input device, and determines arrangement direction information and tilt information of the position input device by comparing the detected image data with each other,
- distinguishes a detected image of each of the first to fourth sensing patterns from the detected image data and calculates light amount detected areas sensed differently according to amounts of reflected light from the detected image of each of the first to fourth sensing patterns, and
- sets the detected images and the light amount detected areas of the first to fourth sensing patterns detected at a preset reference distance of a front surface of a display panel as reference detected images and reference detected areas.
6 more elements
A display device, comprising:
- a display unit comprising a plurality of emission areas;
- a plurality of touch electrodes that sense a touch;
- a plurality of code patterns formed in a preset code shape on partial areas of front surfaces of the plurality of touch electrodes;
- a plurality of tilt sensing patterns comprising a light absorbent disposed in an inner area or a peripheral area of each of the plurality of code patterns;
- and
- a main processor that receives detected image data corresponding to the plurality of tilt sensing patterns from a position input device, and determines arrangement direction information and tilt information of the position input device by comparing the detected image data with each other,
- wherein the plurality of sensing patterns are formed by patterning a light blocking member including the light absorbent, and
- the plurality of tilt sensing patterns comprise:
- a first sensing pattern in which a content of the light absorbent included in the light blocking member is about 25%;
- a second sensing pattern in which a content of the light absorbent included in the light blocking member is about 50%;
- a third sensing pattern in which a content of the light absorbent included in the light blocking member is about 75%;
- and
- a fourth sensing pattern in which a content of the light absorbent included in the light blocking member is about 100%.
10 more elements
A touch input system, comprising:
- a display device that displays an image;
- and
- a position input device that inputs touch coordinates to the display device,
- wherein the display device comprises:
- a display unit comprising a plurality of emission areas;
- a plurality of touch electrodes that sense a touch;
- a plurality of code patterns formed in a preset code shape on partial areas of front surfaces of the plurality of touch electrodes;
- and
- a plurality of tilt sensing patterns comprising a light absorbent disposed in an inner area or a peripheral area of each of the plurality of code patterns,
- wherein the position input device comprises a code processor that generates detected image data corresponding to the plurality of tilt sensing patterns, and generates arrangement direction information of the position input device and tilt information of the position input device by comparing the detected image data corresponding to the plurality of tilt sensing patterns with each other,
- wherein the plurality of sensing patterns are formed by patterning a light blocking member including the light absorbent, and
- the plurality of tilt sensing patterns comprise:
- a first sensing pattern in which a content of the light absorbent included in the light blocking member is about 25%;
- a second sensing pattern in which a content of the light absorbent included in the light blocking member is about 50%;
- a third sensing pattern in which a content of the light absorbent included in the light blocking member is about 75%;
- and
- a fourth sensing pattern in which a content of the light absorbent included in the light blocking member is about 100%.
14 more elements
Dependencies are inferred from the claim text.