# US 9,898,993 B2 · Method for controlling message signal within timing controller integrated circuit, timing controller integrated circuit and display panel

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- Number: US 9,898,993 B2
- Document ID: US9898993B2
- Status: Granted
- Kind: B2
- Application number: 14/907,553
- Filed: 2015-12-28
- Published: 2017-10-05
- Granted: 2018-02-20
- Earliest claimed: 2015-11-25
- Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Applicants: Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Inventors: Jingjing Wu; Zhi Xiong
- Web page: https://patentgrep.com/patent/US9898993B2

## CPC

- G09G 3/3696: {Generation of voltages supplied to electrode drivers}
- G06F 13/1694: {Configuration of memory controller to different memory types}
- G09G 3/2092: {Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto (suitable for both CRT and flat panel G09G5/003; specific for a CRT G09G1/165)}
- G09G 3/36: using liquid crystals
- H04J 3/26: in which the information and the address are simultaneously transmitted
- H04Q 9/14: Calling by using pulses
- H04Q 11/0428: {Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals}
- G09G 2310/0243: Details of the generation of driving signals
- G09G 2310/08: Details of timing specific for flat panels, other than clock recovery
- G09G 2370/08: Details of image data interface between the display device controller and the data line driver circuit
- G09G 2370/14: Use of low voltage differential signaling [LVDS] for display data communication
- H04Q 2213/13213: Counting, timing circuits
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S)
- H04Q: SELECTING (switches, relays, selectors H01H; wireless communication networks H04W)

## Abstract

The present disclosure provides method for controlling a message signal within a timing controller integrated circuit, the timing controller integrated circuit and a display panel. The method includes: receiving a low voltage differential signaling signal; decoding the low voltage differential signaling signal to obtain a transistor-transistor logic RGB data signal and a control signal, wherein the control signal comprises: a start signal, a horizontal synchronization and a vertical synchronization; processing the transistor-transistor logic RGB data signal to obtain an input RGB data; controlling a timing of the start signal before a timing of the input RGB data; and processing the input RGB data to obtain a mini-low voltage differential signaling data. Therefore, the technical scheme provided by the present disclosure has an advantage of the low cost.

## Claims

### Claim 1

A method for controlling a message signal within a timing controller integrated circuit, comprising:
receiving a low voltage differential signaling signal;
decoding the low voltage differential signaling signal to obtain a transistor-transistor logic RGB data signal and a control signal, wherein the control signal comprises: a start signal, a horizontal synchronization and a vertical synchronization;
processing the transistor-transistor logic RGB data signal to obtain an input RGB data;
controlling a timing of the start signal before a timing of the input RGB data;
processing the input RGB data to obtain a mini-low voltage differential signaling data; and
wherein before the step of controlling the timing of the start signal before a timing of the mini-low voltage differential signaling data comprises:
delaying a first set time t1 for the timing of the start signal based on a timing tVsync of the vertical synchronization, wherein tVsync+t1<tm, and tm is the timing of the input RGB data.

### Claim 2 (depends on 1)

The method according to claim 1, wherein a mode of the low voltage differential signaling signal is:
a synchronization mode or an enabling mode.

### Claim 3

A method for controlling a message signal within a timing controller integrated circuit, comprising:
receiving a low voltage differential signaling signal;
decoding the low voltage differential signaling signal to obtain a transistor-transistor logic RGB data signal and a control signal, wherein the control signal comprises: a start signal, a horizontal synchronization and a vertical synchronization;
processing the transistor-transistor logic RGB data signal to obtain an input RGB data;
controlling a timing of the start signal before a timing of the input RGB data;
processing the input RGB data to obtain a mini-low voltage differential signaling data; and
wherein before the step of controlling the timing of the start signal before the timing of the input RGB data comprises:
generating a reference signal, synchronizing the timing of the start signal and a timing of the reference signal, and controlling the timing treference of the reference signal to delay a second setting time tx based on a timing tVsync of the vertical synchronization, wherein tVsync+tx<tm, and tm is the timing of the input RGB data.

### Claim 4

A timing controller integrated circuit, wherein the timing controller integrated circuit comprises a low voltage differential signaling receiver, a mini-low voltage differential signaling output data mapping module, a transmitting module and a timing controller;
wherein the low voltage differential signaling receiver is used to receive a low voltage differential signaling signal, decode the low voltage differential signaling signal to obtain a transistor-transistor logic RGB data signal and a control signal, wherein the control signal comprises: a start signal, a horizontal synchronization and a vertical synchronization, and transmit the transistor-transistor logic RGB data signal to the mini-low voltage differential signaling output data mapping module and transmit the control signal to the timing controller;
wherein the mini-low voltage differential signaling output data mapping module is used to process the transistor-transistor logic RGB data signal to obtain a input RGB data and transmits the input RGB data to the transmitting module;
wherein the timing controller is used to control a timing of the start signal before a timing of the input RGB data; and
wherein the transmitting module is used to process the input RGB data to obtain a mini-low voltage differential signaling data; and
wherein the timing controller is used to delay a first set time t1 for the timing of the start signal based on a timing tVsync of the vertical synchronization, wherein tVsync+t1<tm, and tm is the timing of the input RGB data.

### Claim 5 (depends on 4)

The timing controller integrated circuit according to claim 4, wherein a mode of the low voltage differential signaling signal is:
a synchronization mode or an enabling mode.

### Claim 6 (depends on 4)

A display panel, wherein the display panel comprises the timing controller integrated circuit according to claim 4.

### Claim 7 (depends on 6)

A display device, wherein the display device comprises the display panel according to claim 6.

### Claim 8

A timing controller integrated circuit, wherein the timing controller integrated circuit comprises a low voltage differential signaling receiver, a mini-low voltage differential signaling output data mapping module, a transmitting module and a timing controller;
wherein the low voltage differential signaling receiver is used to receive a low voltage differential signaling signal, decode the low voltage differential signaling signal to obtain a transistor-transistor logic RGB data signal and a control signal, wherein the control signal comprises: a start signal, a horizontal synchronization and a vertical synchronization, and transmit the transistor-transistor logic RGB data signal to the mini-low voltage differential signaling output data mapping module and transmit the control signal to the timing controller;
wherein the mini-low voltage differential signaling output data mapping module is used to process the transistor-transistor logic RGB data signal to obtain a input RGB data and transmits the input RGB data to the transmitting module;
wherein the timing controller is used to control a timing of the start signal before a timing of the input RGB data;
wherein the transmitting module is used to process the input RGB data to obtain a mini-low voltage differential signaling data; and
wherein the timing controller is used to generate a reference signal, synchronize the timing of the start signal and a timing of the reference signal, and control the timing treference of the reference signal to delay a second set time tx based on a timing tVsync of the vertical synchronization, wherein tVsync+tx<tm, and tm is the timing of the input RGB data.