KR20140098366A - Driving apparatus and display device comprising the same - Google Patents

Driving apparatus and display device comprising the same Download PDF

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Publication number
KR20140098366A
KR20140098366A KR1020130010865A KR20130010865A KR20140098366A KR 20140098366 A KR20140098366 A KR 20140098366A KR 1020130010865 A KR1020130010865 A KR 1020130010865A KR 20130010865 A KR20130010865 A KR 20130010865A KR 20140098366 A KR20140098366 A KR 20140098366A
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KR
South Korea
Prior art keywords
gate
source
signal
output
display panel
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KR1020130010865A
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Korean (ko)
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KR102038884B1 (en
Inventor
김한수
이경구
이진희
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엘지디스플레이 주식회사
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image

Abstract

The present invention relates to a plasma display panel comprising a source output section for outputting a source signal to a display panel, a source signal providing section for providing a source signal to the source output section, a gate output section for outputting a gate signal to the display panel, A switching signal output unit for outputting either one of a source signal and a gate signal to the display panel; and a selection unit for selecting one of the source signal supplied from the source signal provider and the gate signal provider, And a switching unit for providing the switching output unit with any one of signals selected in accordance with the number of source lines of the display panel among the gate signals, and a display device including the same.
According to the present invention, the thickness of the display device can be reduced and the size thereof can be reduced by the driving device in which the separately provided source signal provider and the gate signal provider are integrated into one structure.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a driving apparatus,

The present invention relates to a driving apparatus for transmitting a driving signal to a display panel and a display apparatus including the driving apparatus.

In recent years, flat panel display devices replacing a cathode ray tube (CRT) display device have been developed to attain thinning, tilting, and low power consumption.

As a flat panel display device, a liquid crystal display device, a plasma display panel, a field emission display device, and a light emitting display device have been actively studied , Mass production technology, ease of driving means, and realization of high image quality.

A liquid crystal display device displays an image using a thin film transistor (Thin Film Transistor) as a switching element. The liquid crystal display device is used not only in a television or a monitor, but also in a notebook computer, a tablet computer, a navigation system, or various portable information devices.

1 is a view schematically showing a display device according to the prior art.

Referring to FIG. 1, a display device 1 according to the related art includes a display panel 2 and a driving circuit for transmitting a driving signal to the display panel 2.

The display panel 2 is formed such that a plurality of gate lines GL, a plurality of gate lines GL1 to GLn, and a plurality of source lines DL1 to DLm cross each other. Pixels are formed in each region where the plurality of gate lines GL and the plurality of source lines SL cross each other.

The driving circuit includes a source driving unit 3 for supplying a source signal to the display panel 2, a gate driving unit 4 for supplying a gate signal to the display panel 2, And a timing control section 5 for controlling the driving timing of the driving section 4. [

The source driver 3 has m source outputs corresponding to the number of source lines SL and each source output is electrically connected to a source line SL of the display panel 2. [ The source driver 3 converts the digital data supplied from the timing controller 5 into analog data signals and outputs the analog data signals to the respective source output units to supply the source signals to the respective source lines SL.

The gate driver 4 has n gate output sections corresponding to the number of the gate lines GL and each gate output section is electrically connected to the gate line GL of the display panel 2. The gate driver 4 sequentially drives the gate lines GL under the control of the timing controller 5. [

The following problems occur in the display device 1 according to the related art as described above.

The gate driver 4 and the source driver 3 are separated from each other in the display device 1 according to the related art so that the gate driver 4 and the source driver 3 are arranged in a space . When the gate driver 4 and the source driver 3 are formed integrally with the display panel 2, the gate driver 4 and the source driver 3 are not displayed on the display panel 2 The entire display device 1 becomes larger in size than the display area of the display panel 2. [

On the other hand, when the gate driving unit 4 and the source driving unit 3 are not formed integrally with the display panel 2, the gate driving unit 4 and the source driving unit 3, Space is required. As a result, the thickness of the display device 1 according to the prior art has become thick and the size has become large. As the thickness of the display device 1 increases and the size thereof increases, there arises a problem that the utilization of the space in which the display device 1 is disposed is reduced. In addition, when the display device 1 according to the related art is used in a portable device, there is a problem that the thickness of the portable device itself becomes thick and the size becomes large, which makes the portable device inconvenient.

Secondly, in the display device 1 according to the related art, the gate output portion of the gate driver 4 and the source output portion of the source driver 3 are fixed. Therefore, the source driver 3 and the gate driver 4 can not be applied to the display panel 2 having a different number of gate lines and source lines than the predetermined number of output portions. Therefore, the display panel 2 having different resolutions had to use different source drivers 3 and gate drivers 4, respectively. That is, when the resolution of the display panel 2 is changed, the source driver 3 and the gate driver 4 have to be newly developed. In this way, the new source driver 3 and the gate driver 4 must be applied to each display panel 2, which leads to a problem that development time and cost are excessively increased.

The present invention provides a driving device and a display device capable of reducing the thickness and size of a display device by integrating a source signal provider and a gate signal provider into one driving signal.

A driving device and a display device applied to various display panels having various resolutions by changing the number of gate output portions and source output portions are provided.

In order to solve the above-described problems, the present invention can include the following configuration.

A driving apparatus according to the present invention includes: a source output unit for outputting a source signal to a display panel; A source signal supplier for providing a source signal to the source output; A gate output unit for outputting a gate signal to the display panel; A gate signal supplier for providing a gate signal to the gate output unit; A switching output unit for outputting either a source signal or a gate signal to the display panel; And a switching unit for providing the switching output unit with any one of signals selected in accordance with the number of source lines of the display panel, among the source signal and gate signal provided from the source signal supplier and the gate signal provider, have.

A display device according to the present invention includes a display panel including a source line and a gate line, for displaying an image; A source output section for outputting a source signal to the source line; A source signal supplier for providing a source signal to the source output; A gate output unit for outputting a gate signal to the gate line; A gate signal supplier for providing a gate signal to the gate output unit; A switching output unit for outputting either a source signal or a gate signal to the display panel; And a switching unit for providing the switching output unit with any one of a source signal and a gate signal provided from the source signal supplier and the gate signal provider, the switching signal being selected according to the number of the source lines.

A display device according to the present invention includes a display panel including a source line and a gate line, for displaying an image; A source output section for outputting a source signal to the source line; A source signal supplier for providing a source signal to the source output; A gate output unit for outputting a gate signal to the gate line; A gate signal supplier for providing a gate signal to the gate output unit; A switching output unit for outputting either a source signal or a gate signal to the display panel; And a gate signal generator for generating either one of a source signal and a gate signal from each of the source signal supplier and the gate signal supplier so that a source signal is supplied to the source line and a gate signal is supplied to the gate line, And a switching unit for providing the switching unit to the display unit.

According to the present invention, there are the following effects.

According to the present invention, the thickness of the display device can be reduced and the size thereof can be reduced by the driving device in which the source signal supplying part and the gate signal providing part, which exist separately, are integrated into a single structure.

In addition, the driving apparatus according to the present invention can be commonly used in a display panel having different resolutions by a switching output unit and a switching unit for outputting any one of a source signal and a gate signal. Therefore, it is possible to reduce effort and cost for newly developing and manufacturing a driving apparatus for each display panel having different resolutions.

1 schematically shows a display device according to the prior art;
Figure 2 schematically shows a drive device according to the invention;
3 schematically shows a display device according to the invention;
Fig. 4 schematically shows a driving apparatus according to the present invention. Fig.
5 to 8 are diagrams for explaining the operation of the driving apparatus according to the present invention.

Hereinafter, preferred embodiments of a driving apparatus and a display apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

2 and 3, a display device 100 according to the present invention includes a display panel 30 including a source line SL and a gate line GL and for displaying an image, 30 for transmitting a driving signal to the driving unit.

The driving apparatus 10 according to the present invention includes a source output section 11 for outputting a source signal to a display panel 30 and a source signal providing section 12 for providing a source signal to the source output section 11. [ Gate output units 13a and 13b for outputting gate signals to the display panel 30 and gate signal providing units 14a and 14b for providing gate signals to the gate output units 13a and 13b, .

The source signal providing unit 12 and the source output unit 11 are electrically connected to each other within the driving apparatus 10 according to the present invention. The source output unit 11 is connected to the source line SL of the display panel 30. Accordingly, the source signal provided by the source signal supplying unit 12 can be supplied to the source line SL.

The gate signal providing units 14a and 14b and the gate output units 13a and 13b are electrically connected to each other within the driving apparatus 10 according to the present invention. Also, the gate output sections 13a and 13b are connected to the gate line GL of the display panel 30. Accordingly, a gate signal provided by the gate signal supplying units 14a and 14b can be supplied to the gate line GL.

The driving apparatus 10 according to the present invention includes both the source signal providing unit 12 and the gate signal providing units 14a and 14b, which have conventionally existed separately. That is, the driving apparatus 10 according to the present invention includes the source signal providing unit 12 and the gate signal providing units 14a and 14b, which have conventionally existed separately, in one apparatus.

Therefore, the driving apparatus 10 and the display apparatus 100 according to the present invention exert the following operational effects.

The source signal providing unit 12 and the gate signal providing units 14a and 14b are provided in one driving unit 10 so that the space occupied by the source signal providing unit 12 and the gate signal providing units 14a and 14b . Accordingly, the thickness of the display device 100 according to the present invention can be reduced. In addition, the non-display region where the source signal supplying unit 12 and the gate signal providing units 14a and 14b are located can be reduced, and the display area can be made larger in the display device 100 of the same size. On the contrary, the size of the display device 100 having the display area of the same size can be made smaller.

Hereinafter, the display panel 30 and the driving device 10 will be described in detail with reference to the accompanying drawings.

2 and 3, the display panel 30 includes a lower substrate (TFT substrate), an upper substrate (CF substrate), and a liquid crystal layer formed between the lower substrate and the upper substrate.

The lower substrate includes a plurality of gate lines GL, a plurality of source lines SL, and a plurality of pixels formed in each pixel region defined by the intersection of the gate lines GL and the source lines SL do. Each pixel includes a thin film transistor connected to the gate line GL and the source line SL, and a liquid crystal cell connected to the thin film transistor.

A color filter formed to correspond to each pixel, a black matrix for separating the color filter, and the like are formed on the upper substrate.

A polarizer is attached to each of the upper substrate and the lower substrate of the display panel 30. Further, an alignment film for setting the pretilt angle of the liquid crystal is formed on the inner surfaces of the upper substrate and the lower substrate. A column spacer (CS) for holding a cell gap may be formed between the upper substrate and the lower substrate of the display panel (30).

The display panel 30 displays an image by adjusting the light transmittance of the liquid crystal layer according to a source signal applied to each pixel.

2 and 3, the driving apparatus 10 according to the present invention includes the gate signal providing units 14a and 14b and the source signal providing unit 12. That is, the driving apparatus 10 according to the present invention includes both the gate signal providing units 14a and 14b and the source signal providing unit 12, which exist in separate configurations.

The source signal supplying unit 12 converts the digital video data into a source signal (data voltage), and supplies a source signal (data voltage) for one horizontal line in each horizontal period in which a gate signal is supplied to the gate line GL And supplies them to the source lines SL.

That is, the source signal providing unit 12 converts the image data into a source signal (data voltage) using gamma voltages supplied from a gamma voltage generator (not shown) and outputs the source signal to the source line SL . To this end, the source signal providing unit 12 includes a shift register unit, a latch unit, and a digital-analog converter (DAC).

The shift register unit generates a sampling signal using data control signals (SSC, SSP, etc.) received from a control unit (not shown).

The latch unit latches the digital image data sequentially received from the control unit, and simultaneously outputs the latched digital image data to the digital-analog converter (DAC).

The digital-to-analog converter converts the image data transmitted from the latch unit into a source signal (data voltage) having a positive or negative polarity and outputs the same. That is, the digital-analog converter converts the image data into a positive or negative source signal (data voltage) using the polarity control signal POL transmitted from the control unit, and outputs the source signal to the source lines SL.

The digital-to-analog converter converts image data into a source signal (data voltage) using a high-level driving voltage (VDD).

The source output unit 11 outputs a source signal (data voltage) to the source line SL of the display panel 30. The source output section 11 outputs a positive or negative source signal (data voltage) transmitted from the digital-analog converter section to the display panel 30 according to a source output enable signal SOE transmitted from the control section. To the source lines (SL). The source output unit 11 is electrically connected to the source signal supplying unit 12.

The gate signal supplying units 14a and 14b sequentially apply a gate signal to the gate line GL of the display panel 30 in response to gate control signals GSP, GSC, and GOE provided from a controller (not shown) (Scan signal). The gate signal supplying units 14a and 14b shift the gate start pulse GSP according to the gate shift clock GSC to generate a shift pulse. The gate signal supplying units 14a and 14b output a gate signal (scan signal) to the corresponding gate line GL in each horizontal period in response to a shift pulse. That is, the shift pulses are shifted by one line in each horizontal period, and the gate signal supplying units 14a and 14b supply a gate signal (scan signal) to the gate line GL corresponding to the shift pulse.

The gate output units 13a and 13b output a gate signal (a scan signal) provided by the gate signal supplying units 14a and 14b to the gate line GL of the display device 100. [

Hereinafter, preferred embodiments of a driving apparatus and a display apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

4, 6 and 7, a display device 200 according to the present invention includes a display panel 30 for displaying an image, including a source line SL and a gate line GL, And a driving device 20 for transmitting a driving signal to the display panel 30.

The driving apparatus according to the present invention includes a source output section 21 for outputting a source signal to the source line SL, a source signal providing section 22 for providing a source signal to the source output section 21, Gate output sections 23a and 23b for outputting a gate signal to the gate line GL and gate signal providing sections 24a and 24b for providing gate signals to the gate output sections 23a and 23b, A switching output section 26a or 26b for outputting either the source signal or the gate signal to the display panel 30 and the switching signal output from the source signal providing section 22 and the gate signal providing sections 24a and 24b 27b for providing any one of the source signal and the gate signal selected according to the number of source lines of the display panel 30 to the switching output units 26a, 26b.

That is, the switching output units 26a and 26b function as a source output unit and a gate output unit by the switching units 27a and 27b. That is, when the switching units 27a and 27b provide the source signal, the switching output units 26a and 26b function as the source output unit 21. [ Conversely, when the switching units 27a and 27b provide gate signals, the switching output units 26a and 26b function as the gate output units 23a and 23b. In this manner, the driving apparatus 20 can change the number of the source output sections (including the number of the switching output sections functioning as the source output section) and the number of the gate output sections (including the number of the switching output sections functioning as the gate output section) have.

The driving device 20 and the display device 200 according to the present invention as described above exert the following operational effects.

First, the driving apparatus 20 according to the present invention includes both the source signal providing unit 22 and the gate signal providing units 24a and 24b as described above. Since the source signal supplying unit 22 and the gate signal supplying units 24a and 24b are provided in one driving unit 20 as described above, the source signal supplying unit 22 and the gate signal supplying units 24a and 24b Space can be reduced. Thus, the thickness of the display device 200 according to the present invention can be reduced. Also, the non-display area where the source signal supplying part 22 and the gate signal providing part 24a, 24b are located can be reduced, and the display area can be made larger in the display device 200 of the same size. On the contrary, the size of the display device 200 having the display area of the same size can be made smaller.

Secondly, the number of source output sections and the number of gate output sections can be changed by the switching sections 27a and 27b and the switching output sections 26a and 26b included in the driving apparatus 20 according to the present invention. Therefore, the driving apparatus 20 according to the present invention can be commonly used for various display panels 30 having different numbers of source output units and gate output units.

As a result, it is possible to save effort and cost for developing and manufacturing a new driving apparatus for each of the display panels 30 having different numbers of source output sections and gate output sections, that is, the display panels 30 having different resolutions have.

Hereinafter, the display panel 30 and the driving device 20 will be described in detail with reference to the accompanying drawings.

The above-described configuration will be omitted and differences will be mainly described.

4, 6 and 7, the input sides of the switching units 27a and 27b are connected to the gate signal providing units 24a and 24b and the source signal providing unit 22, respectively. That is, a gate signal provided by the gate signal providing units 24a and 24b and a source signal provided by the source signal providing unit 22 are inputted to the input sides of the switching units 27a and 27b.

The switching output sections 26a and 26b are connected to the output sides of the switching sections 27a and 27b. Accordingly, only one signal selected from the source signal and the gate signal inputted from the input side of the switching units 27a and 27b is provided to the switching output units 26a and 26b.

The switching units 27a and 27b include a plurality of muxes 270 for selecting one of a source signal and a gate signal. The mux 270 is connected to the switching output units 26a and 26b so as to correspond to the switching output units 26a and 26b, respectively. That is, each of the muxes 270 is connected to each of the plurality of switching output pins 260 included in the switching output units 26a and 26b.

Hereinafter, the operation of the driving apparatus and the display apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

5 and 6, when the source line SL of the display panel 30 and the source output unit 21 are the same number, an output unit for outputting the source signal is no longer required. Therefore, the switching units 27a and 27b select the gate signal among the source signal and the gate signal, and provide the gate signal to the switching output units 26a and 26b. That is, the switching output units 26a and 26b perform the same function as the gate output units 23a and 23b.

At this time, if the number of the gate lines GL of the display panel 30, the number of the gate output units 23a and 23b, and the number of the switching output units 26a and 26b are the same, 23a, and 23b and the switching output units 26a and 26b as a whole.

On the other hand, when the number of the gate output sections 23a, 23b and the number of the switching output sections 26a, 26b are larger than the number of the gate lines GL of the display panel 30, the switching output section 26a , And 26b. A state in which no gate signal is output from the switching output units 26a and 26b remains as a dummy output unit.

In addition, when the number of gate output portions 23a, 23b is larger than the number of gate lines GL of the display panel 30, the switching output portions 26a, 26b do not output gate signals. That is, the entire switching output sections 26a and 26b are dummy output sections. In this case, it is sufficient to output a gate signal only to a part of the gate output sections 23a and 23b, and therefore, the remaining parts of the gate output sections 23a and 23b are also dummy output sections.

7 and 8, when the number of the source lines SL of the display panel 30 is larger than the number of the source output portions 21, an additional output portion for outputting the source signal is required . Therefore, the switching units 27a and 27b select the source signal from the source signal and the gate signal, and provide the source signal to the switching output units 26a and 26b. That is, the switching output units 26a and 26b perform the same function as the source output unit. Here, the switching units 27a and 27b provide the source signals to the switching output units 26a and 26b by the number of difference.

The total number of the gate lines GL of the display panel 30 and the number of the gate output units 23a and 23b are compared with each other when the switching output units 26a and 26b function as a source output unit . If the number of the gate lines GL of the display panel 30 is equal to the number of the gate output portions 23a and 23b and the number of the switching output portions 26a and 26b, 23a, and 23b. If the number of the gate output portions 23a and 23b is larger than the number of the gate lines GL of the display panel 30, only the gate output portions 23a and 23b have a gate signal . The remaining part that does not output the gate signal at the gate output parts 23a and 23b becomes a dummy output part.

The number of the gate lines GL included in the display panel 30 and the number of the gate output portions 23a and 23b and the number of the gate output lines 23a and 23b may be different from each other. And compares the remaining number of the switching output units 26a and 26b. If the number of the gate lines GL of the display panel 30 is equal to the number of the gate output portions 23a and 23b and the remaining switching output portions 26a and 26b, 23b and the remaining switching output sections 26a, 26b. Alternatively, if the number of the gate output units 23a and 23b is larger than the number of the gate lines GL of the display panel 30, a gate signal is outputted only to a part of the gate output units 23a and 23b. That is, the remaining switch output units 26a and 26b and the remaining gate output units 23a and 23b not outputting the gate signal are dummy output units.

Although the number of the gate lines GL of the display panel 30 is smaller than the number of the gate output portions 23a and 23b, the gate output portions 23a and 23b and the remaining switching output portions 26a and 26b The number of gate output units 23a and 23b is greater than the total number of gate output units 23a and 23b. A part of the remaining switching output units 26a and 26b outputs a gate signal and the remaining remaining switching output units 26a and 26b are dummy output units.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. It will be clear to those who have knowledge.

10, 20: Driving device
11, 21: source output section 12, 22: source signal providing section
13, 23: Gate output section 14, 24: Gate signal output section
15, 25:
30: Display panel
100, 200: display device

Claims (10)

A source output section for outputting a source signal to the display panel;
A source signal supplier for providing a source signal to the source output;
A gate output unit for outputting a gate signal to the display panel;
A gate signal supplier for providing a gate signal to the gate output unit;
A switching output unit for outputting either a source signal or a gate signal to the display panel; And
And a switching unit for providing the switching output unit with any one of signals selected in accordance with the number of source lines of the display panel among the source signal and the gate signal provided from each of the source signal provider and the gate signal provider, . The method according to claim 1,
The switching unit outputs a gate signal to the switching output unit when the source line and the source output unit of the display panel have the same number, and outputs the source signal to the switching output unit when the source line and the source output unit of the display panel have different numbers And outputs the driving signal. The method according to claim 1,
Wherein the gate signal providing unit outputs a gate signal to all or a part of the gate output unit according to the number of gate lines of the display panel. The method according to claim 1,
Wherein the gate signal providing unit outputs a gate signal only to gate output units of the same number as the number of gate lines of the display panel among the gate output units. A display panel including a source line and a gate line, for displaying an image;
A source output section for outputting a source signal to the source line;
A source signal supplier for providing a source signal to the source output;
A gate output unit for outputting a gate signal to the gate line;
A gate signal supplier for providing a gate signal to the gate output unit;
A switching output unit for outputting either a source signal or a gate signal to the display panel; And
And a switching unit for providing the switching output unit with any one of a source signal and a gate signal provided from the source signal supplying unit and the gate signal supplying unit, the signal being selected according to the number of the source lines. 6. The method of claim 5,
Wherein the switching section outputs a gate signal to the switching output section when the source line and the source output section have the same number and outputs the source signal to the switching output section when the source line and the source output section are different numbers. Device. 6. The method of claim 5,
Wherein the gate signal providing unit outputs a gate signal to all or a part of the gate output unit according to the number of the gate lines. 6. The method of claim 5,
Wherein the gate signal providing unit outputs gate signals only to gate output units equal in number to the gate lines among the gate output units. A display panel including a source line and a gate line, for displaying an image;
A source output section for outputting a source signal to the source line;
A source signal supplier for providing a source signal to the source output;
A gate output unit for outputting a gate signal to the gate line;
A gate signal supplier for providing a gate signal to the gate output unit;
A switching output unit for outputting either a source signal or a gate signal to the display panel; And
The gate signal supplying unit supplies either one of a source signal and a gate signal provided from each of the source signal supplying unit and the gate signal supplying unit to the switching output unit so that a source signal is supplied to the source line and a gate signal is supplied to the gate line. And a switching section for providing the switching section. 10. The method of claim 9,
Wherein the display panel includes a smaller number of gate lines than the gate output portion;
Wherein the gate signal providing unit outputs gate signals only to gate output units of the same number as the gate lines among the gate output units.
KR1020130010865A 2013-01-31 2013-01-31 Driving apparatus and display device comprising the same KR102038884B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09171376A (en) * 1995-10-18 1997-06-30 Toshiba Electron Eng Corp Video control device and plane display device provided with the same
JP2010072363A (en) * 2008-09-18 2010-04-02 Toshiba Mobile Display Co Ltd Liquid crystal display device
US20100171687A1 (en) * 2009-01-08 2010-07-08 Yi-Chen Chiang Display device having slim border-area architecture and driving method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09171376A (en) * 1995-10-18 1997-06-30 Toshiba Electron Eng Corp Video control device and plane display device provided with the same
JP2010072363A (en) * 2008-09-18 2010-04-02 Toshiba Mobile Display Co Ltd Liquid crystal display device
US20100171687A1 (en) * 2009-01-08 2010-07-08 Yi-Chen Chiang Display device having slim border-area architecture and driving method thereof

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