Electronic device having touch sensor and driving method thereof
AssigneeLG Display Co., Ltd.
InventorsHyeongwon KANG, Jaehun JUN, Dukhyo LEE, Beomjin KIM
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Abstract
A display device that comprises a plurality of touch electrodes and a touchscreen driving circuit coupled to the plurality of touch electrodes. In a normal display mode of the display device, the touchscreen driving circuit senses touch via the plurality of touch electrodes using self capacitance touch sensing. In a sleep mode of the display device, the touchscreen driving circuit senses touch via the plurality of touch electrodes using mutual capacitance touch sensing.
Claims19
A display device comprising:
- a plurality of touch electrodes;
- and
- a touchscreen driving circuit coupled to the plurality of touch electrodes,
- wherein in a normal display mode of the display device, the touchscreen driving circuit senses touch via the plurality of touch electrodes using self capacitance touch sensing;
- and
- wherein in a sleep mode of the display device, the touchscreen driving circuit senses touch via the plurality of touch electrodes using mutual capacitance touch sensing.
A display device comprising:
- a plurality of touch electrodes;
- and
- a touchscreen driving circuit coupled to the plurality of touch electrodes,
- wherein in a normal display mode of the display device, the touchscreen driving circuit senses touch via the plurality of touch electrodes;
- and
- wherein in a sleep mode of the display device, the touchscreen driving circuit short circuits a first set of the touch electrodes together and senses touch via the first set of short circuited touch electrodes.
A method of operation in a display device that includes a plurality of touch electrodes, comprising:
- in a normal display mode of the display device, sensing touch via the plurality of touch electrodes using self capacitance touch sensing;
- and
- in a sleep mode of the display device, sensing touch via the plurality of touch electrodes using mutual capacitance touch sensing.
A method of operation in a display device that includes a plurality of touch electrodes, comprising:
- in a normal display mode of the display device, sensing touch via the plurality of touch electrodes;
- and
- in a sleep mode of the display device, short circuiting a first set of the touch electrodes together and sensing touch via the first set of short circuited touch electrodes.
Dependencies are inferred from the claim text.