CN202075968U

CN202075968U - LCD module

Info

Publication number: CN202075968U
Application number: CN2011201847407U
Authority: CN
Inventors: 赵卫杰; 时哲
Original assignee: Beijing BOE Optoelectronics Technology Co Ltd
Current assignee: BOE Technology Group Co Ltd
Priority date: 2011-06-02
Filing date: 2011-06-02
Publication date: 2011-12-14
Anticipated expiration: 2021-06-02

Abstract

The embodiment of the utility model discloses an LCD (Liquid Crystal Display) module, which greatly reduces the quantities of both source driver integrated circuits and gate driver integrated circuits, and relates to the field of liquid crystal display. The LCD module provided by the embodiment of the utility model comprises a plurality of pixel units in matrix distribution, a plurality of gate drivers and source drivers, a plurality of rows of scanning lines and a plurality of lines of data lines, wherein the source drivers are connected with the data lines; each line of the data lines are connected with at least three lines of the pixel units respectively; each gate driver is connected with at least three rows of scanning lines respectively through amorphous silicon thin film transistors; and the LCD module further comprises a clock control unit for controlling the starting and stopping of the amorphous silicon thin film transistors, and the clock control unit is connected with the gate electrodes of the amorphous silicon thin film transistors.

Description

LCD MODULE

Technical field

The utility model relates to field of liquid crystal display, relates in particular to a kind of LCD MODULE.

Background technology

The structure of present most of LCD MODULE as shown in Figure 1, comprise a plurality of pixel cell 1, a plurality of gate drivers 3 and source electrode driver 2, fine scanning line and multi-column data lines that are rectangular distribution, for guaranteeing that each pixel cell can normally be driven, every capable pixel cell connects a gate drivers by a horizontal scanning line, and every row pixel cell connects a source electrode driver by a column data line.

Because source electrode driver integrated circuit (Source Driver Integrated Circuit, abbreviation Source Driver IC) cost is higher, complex manufacturing technology, difficulty are bigger, and the LCD MODULE of prior art has been used more source electrode driver integrated circuit and gate drivers integrated circuit (Date Driver Integrated Circuit, be called for short Date Driver IC), therefore, relative cost is also higher.

The utility model content

Embodiment of the present utility model technical matters to be solved is to provide a kind of LCD MODULE, can reduce the use amount of source electrode driver integrated circuit and gate drivers integrated circuit, thereby reduces the cost of manufacture of LCD MODULE greatly.

For solving the problems of the technologies described above, embodiment of the present utility model adopts following technical scheme:

A kind of LCD MODULE, comprise a plurality of pixel cells that are rectangular distribution, a plurality of gate drivers and source electrode driver, fine scanning line and multi-column data line, described source electrode driver is connected with described data line, the described data line of every row is connected respectively with the described pixel cell of at least three row, each described gate drivers is connected with at least three horizontal scanning lines by amorphous silicon film transistor respectively, described LCD MODULE also comprises the clock control cell that is used to control described amorphous silicon film transistor opening and closing, and described clock control cell is connected with the grid of described amorphous silicon film transistor.

Described pixel cell comprises the first film transistor, and the transistorized grid of described the first film is connected with described sweep trace, and the transistorized source electrode of described the first film is connected with described data line.

The source electrode of described amorphous silicon film transistor is connected with described gate drivers.

Have at least three adjacent described pixel cells to be connected in the described pixel cell of every row with the described data line of same row.

The number of the described pixel cell that is connected with the described data line of same row in the described pixel cell of every row equals the sweep trace line number that is connected with each described gate drivers.

The LCD MODULE of the utility model embodiment, come the output of control signal by clock control cell and amorphous silicon film transistor, can reduce the use amount of source electrode driver integrated circuit and gate drivers integrated circuit, thereby reduce the cost of manufacture of LCD MODULE greatly.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of LCD MODULE in the prior art;

Fig. 2 is the structural representation of LCD MODULE among the utility model embodiment;

Fig. 3 is the sequential chart of LCD MODULE among the utility model embodiment.

Description of reference numerals:

1, pixel cell 2, source electrode driver 3, gate drivers 4, sweep trace 5, data line 6, amorphous silicon film transistor 7, clock control cell

Embodiment

The utility model embodiment provides a kind of LCD MODULE, can reduce the use amount of source electrode driver integrated circuit and gate drivers integrated circuit, thereby reduces the cost of manufacture of LCD MODULE greatly.

As shown in Figure 2, the LCD MODULE of present embodiment, comprise a plurality of pixel cells 1 that are rectangular distribution, a plurality of gate drivers 3 and source electrode driver 2, fine scanning line 4 and multi-column data line 5, source electrode driver 2 is connected with data line 5, every column data line 5 is connected respectively with at least three row pixel cells 1, each gate drivers 3 is connected with at least three horizontal scanning lines 4 by amorphous silicon film transistor 6 respectively, LCD MODULE also comprises the clock control cell 7 that is used to control amorphous silicon film transistor 6 opening and closing, and clock control cell 7 is connected with the grid of amorphous silicon film transistor 6.

Being connected respectively with three row pixel cells with every column data line below is example, introduces the utility model in detail.

Pixel cell 1 is divided into red sub-pixel unit, green sub-pix unit and blue sub-pix unit, and red sub-pixel unit, green sub-pix unit and blue sub-pix unit are staggered.Be the usage quantity of minimizing source electrode driver 2, every column data line of present embodiment and three row pixel cells, that is: a row red sub-pixel unit, a row green sub-pix unit and the blue sub-pix of row unit are connected respectively, as shown in Figure 2.The pixel cell 1 of present embodiment comprises the first film transistor, and the transistorized source electrode of the first film is connected with data line 5, and the transistorized grid of the first film is connected with sweep trace 4.

For further reducing the usage quantity of gate drivers 3, each gate drivers 3 is connected with three horizontal scanning lines 4 by amorphous silicon film transistor 6 respectively, can normally open and receive data for guaranteeing pixel cell 1, the LCD MODULE of present embodiment also comprises the clock control cell 7 that is used to control amorphous silicon film transistor 6 opening and closing, clock control cell 7 is connected with the grid of amorphous silicon film transistor 6 by three row lines, and the source electrode of amorphous silicon film transistor 6 is connected with gate drivers 3.

Under the connected mode of present embodiment, be not difficult to draw, there are three adjacent unit pixel 1 to be connected in every capable pixel cell 1 with same column data line 5; The number of the pixel cell 1 that is connected with same column data line 5 in every capable pixel cell 1 equals the line number of the sweep trace 4 that is connected with each gate drivers 3.

The course of work to the utility model embodiment is described further below, as shown in Figure 3, wherein, Clock_R, Clock_G, the clock signal that on behalf of clock control cell 7, Clock_B exported by three row lines respectively, and Clock_R controls the output signal of the sweep trace 4 that links to each other with the red sub-pixel unit by amorphous silicon film transistor 6, Clock_G passes through the output signal that amorphous silicon film transistor 6 is controlled the sweep trace 4 that links to each other with green sub-pix unit, and Clock_B controls the output signal of the sweep trace 4 that links to each other with blue sub-pix unit by amorphous silicon film transistor 6; The signal that on behalf of gate drivers 3, Gate Driver 1, Gate Driver 2 exported; The signal of Gout11-Gout13, Gout 21-Gout23 representative on each horizontal scanning line 4 after the effect of clock control cell 7.Comprise a plurality of gate drivers 3 among the Gate Driver IC; Comprise multiple source driver 2 among the Source Driver IC.

At T1 constantly, gate drivers 3 among the Gate Driver IC is output as high level, the Clock_R of clock control cell 7 outputs is a high level, Clock_G, Clock_B are low level, Gout 11 opens the Gate of corresponding red sub-pixel unit, the electric capacity charging, the source electrode driver 2 among the Source Driver IC writes the data of the first row red sub-pixel unit correspondence;

At T2 constantly, gate drivers 3 among the Gate Driver IC is output as high level, the Clock_G of clock control cell 7 outputs is a high level, Clock_R, Clock_B are low level, Gout 12 opens the Gate of corresponding red sub-pixel unit, the electric capacity charging, the source electrode driver 2 among the Source Driver IC writes the data of the green sub-pix of first row unit correspondence;

At T3 constantly, gate drivers 3 among the Gate Driver IC is output as high level, the Clock_B of clock control cell 7 outputs is a high level, Clock_G, Clock_R are low level, Gout 13 opens the Gate of corresponding red sub-pixel unit, the electric capacity charging, the source electrode driver 2 among the Source Driver IC writes the data of the blue sub-pix of first row unit correspondence.

And the like, and then realize the demonstration of every frame picture.

The LCD MODULE of present embodiment, ingenious use by clock control cell and amorphous silicon film transistor, the usage quantity of source electrode driver and gate drivers all is reduced to 1/3 of prior art usage quantity, thereby reduces the cost of manufacture of LCD MODULE greatly.

Through the above description of the embodiments, the those skilled in the art can be well understood to the utility model and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better embodiment under a lot of situation.Based on such understanding, the part that the technical solution of the utility model contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computing machine, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the utility model.

The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion by described protection domain with claim.

Claims

1. LCD MODULE, comprise a plurality of pixel cells that are rectangular distribution, a plurality of gate drivers and source electrode driver, fine scanning line and multi-column data line, described source electrode driver is connected with described data line, it is characterized in that, the described data line of every row is connected respectively with the described pixel cell of at least three row, each described gate drivers is connected with at least three horizontal scanning lines by amorphous silicon film transistor respectively, described LCD MODULE also comprises the clock control cell that is used to control described amorphous silicon film transistor opening and closing, and described clock control cell is connected with the grid of described amorphous silicon film transistor.

2. LCD MODULE according to claim 1, it is characterized in that, described pixel cell comprises the first film transistor, and the transistorized grid of described the first film is connected with described sweep trace, and the transistorized source electrode of described the first film is connected with described data line.

3. LCD MODULE according to claim 1 is characterized in that, the source electrode of described amorphous silicon film transistor is connected with described gate drivers.

4. LCD MODULE according to claim 1 is characterized in that, has at least three adjacent described pixel cells to be connected with the described data line of same row in the described pixel cell of every row.

5. LCD MODULE according to claim 4 is characterized in that, the number of the described pixel cell that is connected with the described data line of same row in the described pixel cell of every row equals the sweep trace line number that is connected with each described gate drivers.