US 11,150,755 B2Granted

Touch display integrated circuit

AssigneeFocaltech Electronics, Ltd.

InventorsHo-Nien Yang, Pi-Chun Yeh, Pei-Hung Hsiao

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Abstract

A touch and display sensing integrated circuit and a touch display device using the same are provided. The touch display device includes a display and touch sensing integrated circuit and a glass substrate. The glass substrate includes touch/display common voltage electrodes, pixels, pads and conductive lines. Each pixel includes Q sub-pixels. The pads are electrically connected to the touch and display sensing integrated circuit. The Pth and (P+Q+1)th pads are electrically connected to the touch/display common voltage electrode through the corresponding conductive lines, respectively. The (P+1)th to (P+Q)th pads are electrically connected to 1st to Qth sub-pixels of a pixel through the corresponding conductive lines, respectively. The pads are arranged in a first direction, and the conductive lines, which are electrically connected to the pads in a second direction, are non-interlaced.

Claims18

Dependent claims

A touch display integrated circuit for controlling a touch display device, the integrated circuit comprising:

a touch input/output circuit, comprising a plurality of input/output terminals;
a source driving circuit, comprising a plurality of data output terminals;
a common circuit, coupled to the touch input/output circuit and the source driving circuit;
a plurality of touch input/output pins, each coupled to the input/output terminals of the touch input/output circuit;
and
a plurality of data output pins, each coupled to the data output terminals of the source driving circuit,
wherein the plurality of touch input/output pins and the plurality of data output pins are arranged corresponding to an arrangement where a plurality of pads of the touch display device are disposed,
wherein the arrangement comprises at least two data output pins between at least two adjacent touch input/output pins,
wherein the at least two data output pins are used to transmit data signals for controlling the touch display device via routes on different layers;
wherein the at least one touch input/output pin is used to transmit touch signal via a route, which is formed on a layer different from the route for the adjacent data output pin to transmit the data signal.

7 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/717,585Filed 17 Dec 2019 · continuation
Priority: TW 10610583822 Feb 2017
Published: US 2020/0125204 A123 Apr 2020
Granted: 19 Oct 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

G06F 3/0412
Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means: digitisers structurally integrated in a display
G06F 3/04164
Control or interface arrangements specially adapted for digitisers: connections between sensors and controllers, e.g. routing lines between…
G06F 3/047
Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means: using sets of wires, e.g. crossed wires
G09G 3/2074
Display of intermediate tones: using sub-pixels

Family

Application15/891,713Parent of this continuation · filed 8 Feb 2018
US 2020/0125204 A1Pre-grant publication · published 23 Apr 2020
US 10,551,954 B2Parent of this continuation
US 2018/0239477 A1Published application
US 11,150,755 B2This patent

From the US filing history. Foreign family members aren’t listed.