KR20100018431A

KR20100018431A - Display set

Info

Publication number: KR20100018431A
Application number: KR1020080077187A
Authority: KR
Inventors: 최진우
Original assignee: 엘지이노텍 주식회사
Priority date: 2008-08-06
Filing date: 2008-08-06
Publication date: 2010-02-17

Abstract

PURPOSE: A display set with the first latch unit and the second latch unit is provided to compensate a difference between an input terminal of a drive system and an input system of a liquid crystal display module by the first latch unit and the second latch unit. CONSTITUTION: A display set includes an LCD(Liquid Crystal Display) module(100) and a drive system(200). The drive system includes a processing device unit(210), the first latch unit(220) and the second latch unit(230). The liquid crystal display module includes the first input terminal and the second input terminal. The first latch unit is connected to the first input terminal. The second latch unit is connected to the second input terminal. The drive system transmits image display data to the first latch unit and the second latch unit.

Description

Display set {DISPLAY SET}

Embodiments relate to a display set.

As information processing technology develops, information processing devices such as mobile phones, PMPs and mobile PCs are widely used. Such information processing apparatuses include a liquid crystal display module and the like for displaying an image.

In this case, an interface scheme may exist between the liquid crystal display module and the driving system for driving the information processing apparatuses. In particular, a difference between the input and output pins may occur between the liquid crystal display module and the driving system.

The embodiment compensates for the difference between the input terminal of the liquid crystal display module and the output terminal of the driving system, thereby providing a display set having high compatibility between the liquid crystal display module and the driving system.

The display set according to the embodiment includes a liquid crystal display module comprising a first input terminal and a second input terminal; A first latch unit connected to the first input terminal; A second latch part connected to the second input terminal; And a driving system for transmitting data for displaying an image to the first latch unit and the second latch unit.

In the display set according to the embodiment, the difference between the output terminal of the driving system and the input terminal of the liquid crystal display module is compensated by the first latch unit and the second latching unit, and the driving system and the liquid crystal display module can be mutually compatible.

That is, the display set according to the embodiment may connect the driving system having eight output terminals to the liquid crystal display module having sixteen input terminals by the first latch portion and the second latch portion.

The display set according to the embodiment inputs 8-bit first data output from the driving system to the first latch unit and inputs 8-bit second data to the second latch unit.

Subsequently, the display set according to the exemplary embodiment may input the first data and the second data into the liquid crystal display module through the first input terminal and the second input terminal simultaneously or in the order of the first data and the second data.

1 is a block diagram illustrating a display set according to an embodiment. 2 illustrates a display set according to an embodiment. 3 is a view illustrating a first latch unit.

1 to 3, the display set includes a liquid crystal display module 100 and a driving system 200.

The liquid crystal display module 100 receives display data from the driving system 200 and displays an image. The liquid crystal display module 100 includes a liquid crystal panel, a backlight unit, a flexible printed circuit board (FPCB) and a driver IC.

The liquid crystal panel adjusts the intensity of light passing through in units of pixels. The backlight unit generates light and emits the light toward the liquid crystal panel. The FPCB is connected to the liquid crystal panel and is connected to the driving system 200. The FPCB receives data for displaying an image from the driving system 200 and transmits the data to the driver IC.

The driver IC is mounted on the liquid crystal panel, receives a control signal from the FPCB, and applies a data signal and a gate signal for driving the liquid crystal panel to the liquid crystal panel.

The liquid crystal display module 100 includes a first input terminal and a second input terminal. In more detail, the FPCB includes the first input terminal and the second input terminal. For example, the first input terminal is eight, and the second input terminal is eight.

For example, the first input terminal is an input terminal 0 to 7 for inputting RGB data for displaying an image on the liquid crystal display module 100 (IP0, IP1, ... IP7), and the second input terminal. Input terminals 8 to 15 for the input of the RGB data (IP8, IP9, ... IP15).

The driving system 200 inputs data and control signals for driving the liquid crystal display module 100 to the liquid crystal display module 100. The driving system 200 includes a processing unit 210, a first latch unit 220, and a second latch unit 230.

The processing unit 210 generates data for driving the liquid crystal display module 100 and control signals for controlling the liquid crystal display module 100. For example, the processing unit 210 may generate the RGB data, and the RGB data may include first RGB data, second RGB data, and n-th RGB data, which are separated in chronological order.

The processing unit 210 is configured to control the data output terminals DOP0, DOP1,... DOP7 for outputting the RGB data, and the first latch unit 220 and the second latch unit 230. And a control terminal C1 and a second control terminal C2.

The processing unit 210 applies a signal for controlling the first latch unit 220 through the first control terminal C1. Similarly, the processing unit 210 applies a signal for controlling the second latch unit 230 through the second control terminal C2.

In addition, the processing unit 210 may include terminals for outputting a control signal for controlling the liquid crystal module.

For example, the data output terminals DOP0, DOP1, ... DOP7 are eight. That is, the first RGB data is 8 bits, and is output one bit from each of the data output terminals DOP0, DOP1, ... DOP7. Therefore, the processing unit 210 outputs 8-bit RGB data in time order.

The first latch unit 220 receives and latches the RGB data from the processing unit 210 and transmits the RGB data to the liquid crystal display module 100. That is, the first latch unit 220 temporarily stores the RGB data and then transmits the RGB data to the liquid crystal display module 100.

The first latch unit 220 includes first latch circuits LC, first latch unit input terminals LIP0, LIP1, ... LIP7, and first latch unit output terminals OP0, OP1, .. OP7).

The first latch circuits LC latch the RGB data received from the processing unit 210. The first latch circuits LC may include a plurality of inverters.

The first latch input terminals LIP0, LIP1, ... LIP7 are connected to the data output terminals DOP0, DOP1, ... DOP7, respectively. The first latch input terminals LIP0, LIP1, ... LIP7 receive the RGB data from the processing unit 210 and store the RGB data in the first latch circuits LC.

The first latch output terminals OP0, OP1,... OP7 are connected to the first input terminals, respectively. The first latch output terminals OP0, OP1,... OP7 transmit the latched RGB data to the first input terminal.

The second latch unit 230 receives the RGB data from the processing unit 210 and latches it, and transmits the RGB data to the liquid crystal display module 100. That is, the second latch unit 230 temporarily stores the RGB data and then transmits the RGB data to the liquid crystal display module 100.

The second latch unit 230 includes second latch circuits, second latch unit input terminals LIP8, LIP9, ... LIP15, and second latch unit output terminals OP8, OP9, ... OP15. It includes.

The second latch circuits latch the RGB data received from the processing unit 210.

The second latch input terminals LIP8, LIP9, ... LIP15 are connected to the data output terminals DOP0, DOP1, ... DOP7, respectively. The second latch input terminals LIP8, LIP9, ... LIP15 receive the RGB data from the processing unit 210 and store the RGB data in the second latch circuits.

The second latch output terminals OP8, OP9,... OP15 are connected to the second input terminal, respectively. The second latch output terminals OP8, OP9,... OP15 transmit the latched RGB data to the second input terminal by the operation of the second switching elements.

The first RGB data, the second RGB data, ... and the n-th RGB data are generated in chronological order from the processing unit 210. Thereafter, the first RGB data, the second RGB data, ..., and the n-th RGB data are stored in the first latch unit 220 and the second latch unit 230 in chronological order.

Thereafter, the processing unit 210 may control the first latch circuits LC and the second latch circuit according to control signals output through the first control terminal C1 and the second control terminal C2. Control them.

Accordingly, the processing unit 210 controls the first latch unit 220 to output the first RGB data, the third RGB data, and the second m + 1 RGB data, and at the same time, the second latch unit The control unit 230 outputs the second RGB data, the fourth RGB data, ... and the second m RGB data.

In this case, the first RGB data and the second RGB data are simultaneously output from the first latch unit 220 and the second latch unit 230, or in the order of the first RGB data and the second RGB data. Can be.

Alternatively, the processing unit 210 may input the first RGB data, the third RGB data, the second RGB data, and the second m + 1 RGB data to the first latch unit 220, and the second latch unit ( The second RGB data, the fourth RGB data, ... and the second m RGB data may be input to the 230. Thereafter, the first latch unit 220 outputs first RGB data, third RGB data, ..., and second m + 1 RGB data, and the second latch unit 230 outputs second RGB data, The fourth RGB data,... And the second m RGB data can be output.

That is, the processing unit 210 may selectively input the RGB data to the first latch unit 220 and the second latch unit 230.

RGB data output from the first latch unit 220 and the second latch unit 230 may be transmitted to the liquid crystal display module 100, and an image may be displayed.

In the display set according to the embodiment, the data output terminals DOP0, DOP1,... DOP7 and the first and second input terminals are formed by the first latch unit 220 and the second latch unit 230. Compensate for the difference in the number of.

That is, in the display set according to the embodiment, the first latch unit includes a processing unit 210 having eight data output terminals DOP0, DOP1,... DOP7 on the liquid crystal display module 100 having 16 input terminals. 220 and the second latch unit 230 may be connected.

According to an exemplary embodiment, a display set includes first 8-bit first RGB data and second 8-bit second RGB data or first and second second RGB data in chronological order through the first input terminal and the second input terminal. It may be input to the liquid crystal display module 100.

The display set according to the embodiment can be compatible with the liquid crystal display module receiving the 16-bit data and the driving system for outputting the 8-bit data.

Although the above description has been made based on the embodiments, these are merely examples and are not intended to limit the present invention. Those skilled in the art to which the present invention pertains may not have been exemplified above without departing from the essential characteristics of the present embodiments. It will be appreciated that many variations and applications are possible. For example, each component specifically shown in the embodiment can be modified. And differences relating to such modifications and applications will have to be construed as being included in the scope of the invention defined in the appended claims.

1 is a block diagram illustrating a display set according to an embodiment.

2 illustrates a display set according to an embodiment.

3 is a view illustrating a first latch unit.

Claims

A liquid crystal display module comprising a first input terminal and a second input terminal;

A first latch unit connected to the first input terminal;

A second latch part connected to the second input terminal; And

And a driving system for transmitting data for displaying an image to the first latch unit and the second latch unit.

The display set of claim 1, wherein the driving system includes a first control terminal for controlling the first latch portion and a second control terminal for controlling the second latch portion.

The display set of claim 1, wherein the first latch unit and the second latch unit temporarily store the data.

The method of claim 1, wherein the number of the first input terminals and the number of the second input terminals are the same, and the driving system includes the same number of output terminals as the first input terminal.

And the output terminal is connected to the first latch portion and the second latch portion.

The method of claim 1, wherein the driving system inputs first data and second data to the first latch unit and the second latch unit.

And the first latch portion outputs the first data and the second latch portion outputs the second data.

6. The display set of claim 5, wherein said first data and said second data are eight bits.