WO2014077175A1 - 駆動モジュール、表示パネル、表示装置、およびマルチディスプレイ装置 - Google Patents
駆動モジュール、表示パネル、表示装置、およびマルチディスプレイ装置 Download PDFInfo
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- WO2014077175A1 WO2014077175A1 PCT/JP2013/080068 JP2013080068W WO2014077175A1 WO 2014077175 A1 WO2014077175 A1 WO 2014077175A1 JP 2013080068 W JP2013080068 W JP 2013080068W WO 2014077175 A1 WO2014077175 A1 WO 2014077175A1
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
-
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13456—Cell terminals located on one side of the display only
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/043—Compensation electrodes or other additional electrodes in matrix displays related to distortions or compensation signals, e.g. for modifying TFT threshold voltage in column driver
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0281—Arrangement of scan or data electrode driver circuits at the periphery of a panel not inherent to a split matrix structure
Definitions
- the present invention relates to a display device that is used as a multi-display device by joining a plurality of pieces to each other, and more particularly, to a technique for reducing a joint portion (non-display area).
- a large display device can be easily constructed by adjoining a plurality of display devices in a plane and vertically and horizontally, but on the joint portion between the display devices, Since a frame called a bezel is formed, an area in which an image cannot be displayed (hereinafter referred to as “non-display area”) is formed. Due to this non-display area, the display of the multi-display device has a problem that a grid-like line appears and the quality of the displayed image is deteriorated.
- Patent Document 1 in a flat display having a video display unit and a non-display unit provided on the outer periphery of the video display unit, the display part and the non-display part of the outer peripheral part adjacent to the display unit are arranged on the surface.
- a configuration is disclosed that includes an optical element that enlarges the display unit on the non-display unit and narrows the range of the non-display unit.
- the light emitted from the peripheral portion of the video display portion is refracted by the cylindrical lens covering the peripheral portion, thereby leading to the non-display portion side so that the non-display portion cannot be seen.
- FIG. 20 is a diagram illustrating a configuration of a display panel 1011 of a general liquid crystal display device according to the related art, where (a) illustrates the overall configuration and (b) illustrates a pixel configuration.
- the display panel 1011 mainly includes a display portion 1111, a source control terminal 1112, and a gate control terminal 1113.
- the pixel E constituting the display unit 1111 includes a switching element S made of TFT and a liquid crystal capacitor Clc, and gate control connected to the gate of the switching element S.
- the liquid crystal capacitance Clc connected to the drain of the switching element S is controlled by the gate signal supplied from the line, and the source signal supplied from the source control line connected to the source of the switching element S is controlled. Display control is performed by charging the battery.
- the source control terminal 1112 is arranged on the long side of the display panel 1011 and the gate control terminal 1113 is arranged on the short side of the display panel 1011.
- FIG. 21 is a diagram showing a configuration of a drive module 1012 according to the prior art, in which (a) is a top view and (b) is a cross-sectional view.
- the drive module 1012 has an input terminal Tin and an output terminal Tout at the end, and a drive circuit Dr that is a source drive circuit or a gate drive circuit at the center. .
- the drive module 1012 is configured by laminating a base material 121, a wiring 122, and a solder resist 123, and the drive circuit Dr is fixed by the resin 124. ing.
- FIG. 22 is a diagram showing a configuration of wiring connected to the drive circuit Dr of the drive module 1012 according to the conventional technique. As shown in FIG. 22, the input line Lin is drawn from the input terminal Tin, and the output line Lout is drawn mainly from the other three sides of the drive circuit Dr, and extends to the output terminal Tout.
- the drive module 1012 as described above is connected to the source control terminal 1112 and the gate control terminal 1113 of the display panel 1011 shown in FIG. 20, the end portion of the display panel 1011 to which the connection is made becomes large. Moreover, such an end becomes a non-display area.
- FIG. 23 is a diagram showing a configuration described in Patent Document 2.
- a display panel (liquid crystal panel) 2001 disclosed in Patent Document 2 includes a plurality of data line electrodes and a plurality of scanning lines that intersect with each other to form a matrix pixel portion at the intersection. It has an electrode.
- a mounting package 2021 is connected to an edge of one side of the glass substrate 2001a of the display panel 2001.
- an LSI chip 2024 for driving the data line electrodes and an LSI chip 2023 for driving the scanning line electrodes are mounted on the insulating film base 2022 in the mounting package 2021 in order from the side close to the display panel 2001.
- the wiring portion 2028b composed of a plurality of wirings connecting the connection terminal group 2027 and the LSI chip 2024 is fixed to the film base material 2022 so as to pass under the LSI chip 2023 (mounting region) on the film base material 2022. It is arranged.
- the gate drive circuit is mounted on the panel with a flexible package and bent on the back surface, or the output signal of the gate drive circuit
- the source driving circuit and the gate driving circuit are mounted on one side of the panel.
- the gate drive circuit that generates the gate signal is mounted on the side where the gate signal is input, and the gate control terminal for connecting the gate drive circuit is provided on the side, It is necessary to connect a gate drive circuit.
- FIG. 24 is a diagram showing a configuration of a display device 3001 according to the prior art.
- a source driving module 3012 is connected to one side of the display panel 3011.
- a gate driving module 3013 is connected to the other side of the display panel 3011. Note that the input signal generation unit 13 is connected to the end of the source driving module 3012 on the side where the display panel 3011 is not connected.
- FIG. 25 is a diagram illustrating a configuration of a display unit 3111 provided in the display panel 3011 according to the related art. As shown in FIG. 25, in the display portion 3111, the gate control line Lg and the source control line Ls are orthogonal to each other. With this configuration, the source control terminal Ts exists on one side of the display portion 3111, and the gate control terminal Tg exists on the other two sides of the display portion 3111.
- FIG. 26 is a diagram showing a configuration of a display panel 3011 according to the related art. As shown in FIG. 26, as a result of the display unit 3111 having the configuration shown in FIG. 25, display panel control is provided on three sides of the display unit 3111 (display panel 3011) corresponding to the source control terminal Ts and the gate control terminal Tg. A terminal 3112 is formed.
- connection portion (display panel control terminal 3112) is necessary, so it is difficult to eliminate the non-display portion on the three sides.
- a display device capable of inputting and controlling a gate signal and a source signal from only one side of a matrix-type liquid crystal display panel, a drive module constituting the display device, and
- An object is to provide a display panel constituting the display device.
- a driving module includes an input terminal that receives an input signal, a gate output terminal that outputs a gate signal, and a source output terminal that outputs a source signal.
- a drive module comprising: a gate drive circuit that generates the gate signal from the input signal input via the input terminal; and a source drive circuit that generates the source signal, The gate output terminal and the source output terminal are formed only on one side.
- the display panel is a display panel including a plurality of gate control lines arranged in parallel to each other and a source control line orthogonal to the gate control line, and the gate control line A gate control branch line branched from the source control terminal, a source control terminal connected to the source control line, and a gate control terminal connected to the gate control branch line, and a rectangular shape,
- the gate control terminal and the source control terminal are formed only on one side.
- a driving module suitable for display control in which a gate signal and a source signal are input from only one side of a matrix type liquid crystal display panel can be provided.
- FIG. 10 illustrates a structure of a display device according to one embodiment of the present invention.
- 2A and 2B are diagrams illustrating a configuration of a display panel included in the display device illustrated in FIG. 1, in which FIG. 1A illustrates an entire configuration, and FIG. 2B illustrates a configuration of a pixel.
- FIG. 1A illustrates an entire configuration
- FIG. 2B illustrates a configuration of a pixel.
- It shows the positional relationship of the display part with which the display panel shown in FIG. 2 is provided, and a display panel control terminal.
- FIG. 1 is a diagram illustrating a configuration of a multi-display device according to one embodiment of the present invention. It is a figure which shows the structure of the drive module which concerns on the other aspect of this invention, (a) is a figure before punching a base material, (b) is a figure which shows after punching a base material.
- FIG. 1 It is a figure which shows the structure of the drive module which concerns on the other aspect of this invention, (a) is a figure before punching a base material, (b) is a figure which shows after punching a base material. It is a figure which shows the structure of the display panel of the general liquid crystal display device based on a prior art, (a) shows the whole structure, (b) is a figure which shows the structure of a pixel. It is a figure which shows the structure of the drive module based on a prior art, (a) is a top view, (b) is sectional drawing. It is a figure which shows the structure of the wiring connected to the drive circuit of a drive module based on a prior art.
- FIG. 1 illustrates a structure of a display device 1 according to one embodiment of the present invention.
- the display device 1 includes an input signal generation unit 13, a display panel 11, and a drive module 12.
- the drive module 12 includes an input terminal that receives an input signal from the input signal generation unit 13, a gate output terminal that outputs a gate signal, and a source output terminal that outputs a source signal.
- the drive module 12 includes a gate drive circuit that generates the gate signal from an input signal input through the input terminal, and a source drive circuit that generates the source signal, and the gate output terminal.
- the source output terminal is formed only on one side.
- the display panel 11 includes a gate control terminal that is connected to the gate output terminal and receives the input of the gate signal, and a source control terminal that is connected to the source output terminal and receives the input of the source signal.
- the gate control terminal and the source control terminal are formed only on one side.
- the input signal generation unit 13 supplies an input signal to the drive module 12.
- the input signal is used, for example, when generating an electric signal used for power supply for driving the drive module 12, a data signal for display, and a source signal and a gate signal in each driver of the drive module 12. Control signals such as clock signals may be included.
- Display panel 11 2A and 2B are diagrams showing the configuration of the display panel 11 provided in the display device 1.
- FIG. 2A shows the overall configuration
- FIG. 2B shows the configuration of the pixel E.
- the display panel 11 includes a display unit 111 and a display panel control terminal (including a gate control terminal and a source control terminal) 112.
- the display panel 11 includes the display panel control terminal 112 connected to the output terminal of the drive module 12 only on one side, and has a square shape.
- the display unit 111 includes a plurality of source control lines Ls and a plurality of gate control lines Lg.
- the source control lines Ls are linear and arranged in parallel to each other.
- the gate control lines Lg are arranged in a straight line, in parallel with each other, and orthogonal to the source control line Ls.
- the source signal is a signal flowing through the source control line Ls.
- the gate signal is a signal that flows through the gate control line Lg.
- the display unit 111 may be configured by a set of pixels E indicated by a broken line frame in FIG.
- the pixel E is composed of a switching element S and a liquid crystal capacitor Clc.
- the switching element S may be a thin film transistor (TFT) or the like.
- TFT thin film transistor
- the drain of the switching element S and one end of the liquid crystal capacitance Clc are connected.
- the other end of the liquid crystal capacitor Clc is connected to the ground GND and grounded.
- a gate control line Lg is connected to the gate of the switching element S.
- the switching element S is controlled using the gate signal supplied from the gate control line Lg, and the source signal supplied from the source control line Ls connected to the source of the switching element S is changed to the switching element S.
- the liquid crystal capacitor Clc connected to the drain of the capacitor is charged. Thereby, display control in the display unit 111 is performed.
- the gate control line Lg is branched by the gate control branch line Lb. Specifically, as shown in FIG. 2A, one gate control branch line Lb branches from the gate control line Lg for every three source control lines Ls. As a result, the gate control branch line Lb can be drawn out in the same direction as the source control line Ls and connected to the display panel control terminal 112. Therefore, the display panel 11 is provided by the display panel control terminal 112 arranged only on one side. The display can be controlled by the gate signal and the source signal.
- FIG. 3 is a diagram showing a schematic configuration of each control line (source control line Ls, gate control line Lg, gate control branch line Lb) in the display unit 111.
- the source control line Ls extends to the end of the display unit 111 and is connected to the source control terminal Ts.
- a gate control branch line Lb branches from the gate control line Lg.
- the gate control branch line Lb extends to the end of the display unit 111 and is connected to the gate control terminal Tg.
- terminals (source control terminal Ts, gate control terminal Tg) corresponding to each control line provided in the display unit 111 are arranged on one side of the display unit 111, and the display panel control terminal 112 is formed.
- FIG. 4 is a diagram showing a positional relationship between the display unit 111 and the display panel control terminal 112. As shown in FIG. As shown in FIG. 4, the display panel control terminal 112 is located only on one side of the display unit 111.
- the display panel 11 includes a plurality of gate control lines Lg arranged in parallel to each other and a source control line Ls perpendicular to the gate control line Lg, and branches from the gate control line Lg.
- the gate control terminal Tg and the source control terminal Ts are formed only on one side.
- an output terminal of the drive module 12 which is a driver for driving the display panel 11, is connected.
- the drive module 12 is demonstrated in detail.
- FIG. 5A and 5B are diagrams showing the configuration of the drive module 12 included in the display device 1, wherein FIG. 5A is a top view and FIG. 5B is a cross-sectional view.
- the drive module 12 includes an input terminal Tin, a gate driver (gate drive circuit) GD, and a source driver (source drive circuit) SD on a single substrate 121. And an output terminal Tout.
- the output terminal Tout is formed only on one side of the drive module 12, and a gate output terminal that outputs an output signal (gate signal) of the gate driver GD and an output signal (source signal) of the source driver SD.
- a source output terminal for output is provided. That is, the gate output terminal and the source output terminal are formed only on one side of the drive module 12.
- each driver GD and the source driver SD are arranged on the same base material 121.
- the present invention is not limited to such a configuration.
- each driver may be separately arranged on a plurality of multilayered substrates, or may be arranged on different surfaces using both surfaces of the same substrate. It may be arranged separately.
- the gate driver GD and the source driver SD may take a configuration included in a single chip. As a result, the number of driver chips can be reduced as compared with a configuration in which the gate signal and the source signal are generated by separate drivers, so that the drive module can be reduced in size and cost.
- the input terminal Tin and the output terminal Tout are arranged at the end of the drive module 12 (base material 121).
- the base 121 may be an insulating flexible tape or film. Further, the gate driver GD and the source driver SD may be formed on the base material 121 which is a flexible tape by a technique such as a chip on film (COF). Further, the base material 121 may be moved or processed using the sprocket holes H provided in the base material 121.
- COF chip on film
- the shape of the drive module 12 is not limited to the square shape as shown in FIG. 5, and the base material 121 may be processed into a polygonal shape as shown in FIGS. 18 and 19 to be described later.
- the source driver SD generates a source signal
- the gate driver GD generates a gate signal
- the gate driver GD is arranged closer to the input terminal Tin than the source driver SD.
- the source driver SD and the gate driver GD are arranged so that their centers are located on the center line CL of the drive module 12 indicated by a one-dot chain line in FIG.
- the gate driver (gate drive circuit) GD and the source driver (source drive circuit) SD are formed at the center of the output terminal (the gate output terminal and the source output terminal) Tout. It may be arranged so as to be located on the center line CL of the drive module 12 passing through the side.
- the wirings related to the respective signals can be arranged so as to be symmetric with respect to the center line CL. As a result, optimal wiring arrangement is possible.
- the gate driver GD or the source driver SD is not on the center line CL, the wiring arrangement is wasted. Thereby, the area of the drive module 12 increases, leading to an increase in the cost of the drive module 12.
- the drive module 12 is a tape device in which each drive circuit is arranged on a base material 121 that is a tape, for example, it is preferable that the drive module 12 can be bent and used.
- the mechanical bending strength can be increased by disposing the center of each driver on the center line CL of the drive module 12, so that the drive module 12 can be bent and used. .
- the input signal supplied from the input terminal Tin of the drive module 12 is connected to the input terminals of the gate driver GD and the source driver SD by wiring on the base material 121. Further, the output terminals of the source driver SD and the gate driver GD are connected to the output terminal Tout of the drive module 12 by wiring on the tape.
- power and the like are supplied by inputting an input signal to the gate driver GD and the source driver SD via the input terminal.
- FIG. 5B is a cross-sectional view of the drive module 12 at the position of the center line CL in FIG.
- the drive module 12 includes a base material 121 and a wiring 122 laminated, and the wiring 122 is connected to the source driver SD and the gate driver GD via the contact CP. ing.
- a solder resist may be disposed on the wiring 122. Further, the contact portions of the source driver SD and the gate driver GD may be sealed with the resin 124.
- FIG. 6 is a diagram illustrating a configuration of a drive module 120 that is a comparative example of the drive module 12.
- the center of each driver (gate driver GD, source driver SD) is not on the center line CL of the drive module 120. Therefore, a wiring A connecting the input terminal Tin and the gate driver GD, a wiring B connecting the gate driver GD and the output terminal Tout, a wiring C connecting the input terminal Tin and the source driver SD, and the source driver SD and the output terminal Tout. Cannot be arranged symmetrically with respect to the center line CL.
- FIG. 7 is a diagram showing the components of the drive module 12. As shown in FIG. 7, a gate input line Lg_in and a source input line Ls_in are arranged between the input terminal Tin and the gate driver GD. Here, although the gate input line Lg_in is connected to the gate driver GD, the source input line Ls_in is not connected to the gate driver GD, and passes through the lower part of the gate driver GD and is connected to the source driver SD. Has been.
- a gate output line Lg_out (not shown) output from the gate driver GD and a source input line Ls_in passing through the lower part of the gate driver GD are arranged.
- a mixed output line (gate output line Lg_out and source output line Lg_out) Lmix is arranged between the source driver SD and the output terminal Tout.
- the gate driver (gate drive circuit) GD has a square shape, and is connected to the input terminal Tin at a set of two sides a1 facing each other of the gate driver GD.
- the source driver (source driving circuit) SD is a wiring that passes through the gate driver GD, and is connected to the pair of two sides a1 via the wiring that is connected to Tout. Then, it may be connected to the input terminal Tin.
- the gate driver GD can receive the input signal to the maximum extent through the input terminal Tin using the two sides a1 of the gate driver GD.
- the source driver SD can receive the input signal to the maximum extent through the side a2 other than the two sides a1 and the input terminal Tin of the gate driver GD.
- the drive module 12 can receive the maximum input signal to the gate driver GD and the source driver SD via the input terminal Tin.
- the source driver (source driving circuit) SD has a rectangular shape, and is connected to the output terminal (including the source output terminal) Tout on three sides b2 of the source driver SD.
- the gate driver (gate drive circuit) GD may be connected to the output terminal (including the gate output terminal) Tout via the source driver SD and the wiring passing through the three sides b2. .
- the drive module 12 can fan out to the maximum extent using the three sides b2 (other than the input side b1) of the source driver SD.
- fan-out means expanding the wiring for output.
- configuration a A configuration in which a certain number of wires are connected to the output terminal Tout from one side of the source driver SD
- configuration a a configuration in which the certain number of wires are connected to the output terminal Tout from three sides of the source driver SD
- the configuration a has a narrower wiring pitch on each side of the source driver SD, and this pitch is combined with the pitch of the output terminals Tout of the drive module to provide an area for fanout. It gets bigger.
- the configuration b the three sides of the source driver SD are used, and the wiring pitch can be secured wider than that in the configuration a. That is, a large area is not required for fan-out on the side of the source driver SD that does not face the output terminal Tout. For this reason, since the wiring distance between the source driver SD and the output terminal Tout can be shortened and the drive module can be made small by the configuration b, the drive module can be downsized and the cost can be reduced.
- FIG. 8 is a diagram illustrating a detailed configuration of the drive module 12 according to an aspect of the present invention. Further, FIG. 8 shows that the substrate 121, the solder resist 123, and the resin 124 are not present in FIG. 5B from the direction of the white arrow (lower part) from the wiring 122 (gate input line Lg_in, source input line Ls_in, gate). The configuration when the output line Lg_out, the source output line Ls_out), the contact CP, the gate driver GD, and the source driver SD are viewed is shown.
- an input signal (including power) is input to the gate driver GD and the source driver SD via the input terminal Tin. Further, the input signal of the gate driver GD is directly input to the gate driver GD via a wiring arranged on the base material 121 (not shown). The input signal of the source driver SD is input to the source driver SD after passing under the gate driver GD through the wiring arranged on the base material 121.
- the output terminal Tout is formed only on one side of the drive module 12, and a plurality of gate output terminals that output the output signal (gate signal) of the gate driver GD and the output signal (source signal) of the source driver SD. Are provided with a plurality of source output terminals. That is, the gate output terminal and the source output terminal are formed only on one side of the drive module 12.
- the source control terminal and the gate control terminal are provided only on one side shown in FIG. 2A (each control terminal is included in the display panel control terminal 112 as shown in FIGS. 3 and 4).
- n source output terminals are formed for every m gate output terminals. That is, the source output terminal and the gate output terminal are formed such that m gate output lines Lg_out (m and n are integers) are arranged for every n source output lines Ls_out.
- the present invention is not limited to this configuration, and the number of gate output lines Lg_out and the number of source output lines Ls_out may be changed according to the specifications of the display panel 11.
- the drive module 12 includes an input terminal Tin that receives an input signal from the input signal generation unit 13, and an output terminal Tout (a gate output terminal that outputs a gate signal and a source output terminal that outputs a source signal).
- a drive module including a gate driver (gate drive circuit) GD that generates the gate signal from an input signal input via the input terminal Tin, and a source driver (source drive) that generates the source signal Circuit) SD, and the output terminal Tout (the gate output terminal and the source output terminal) is formed only on one side.
- the drive module 12 can supply a gate signal and a source signal from only one side of the display panel via the control terminal, for example, and can control display of the display panel by each signal.
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a drive module suitable for display control in which a gate signal and a source signal are input from only one side of a matrix type liquid crystal display panel can be provided.
- the gate driver (gate drive circuit) GD may be arranged closer to the input terminal Tin than the source driver (source drive circuit) SD.
- each circuit can be arranged in the order of the gate driver GD and the source driver SD from the input terminal Tin.
- the gate signal wiring can be fan-out output mixed with a large number of source signal wirings, the area in the drive module 12 can be used effectively, and wirings can be arranged efficiently.
- FIG. 9 is a diagram showing wiring that passes through the gate driver GD.
- the gate driver (gate drive circuit) GD and the output terminal (including the gate output terminal) Tout are sources that pass through the source driver (source drive circuit) SD. It may be connected via an input line Ls_in (wiring).
- the gate driver GD can output a gate signal to the output terminal Tout (including the gate output terminal) via the wiring passing through the source driver SD.
- the wiring that bypasses the source driver SD is not required, the wiring distance can be shortened, and the drive module 12 can be reduced in cost.
- the input terminal Tin and the source driver (source drive circuit) SD may be connected via a wiring passing through the gate driver (gate drive circuit) GD.
- the source driver SD can receive an input signal from the input terminal Tin via the wiring passing through the gate driver GD. This eliminates the need for wiring that bypasses the gate driver GD, shortens the wiring distance, and reduces the cost of the drive module 12.
- FIG. 10 is a diagram showing the configuration of the mixed output line Lmix.
- the mixed output line Lmix is composed of a plurality of source output lines Ls_out and gate output lines Lg_out.
- a gate output line Lg_out is arranged for each of the plurality of source output lines Ls_out.
- the gate output line Lg_out may be arranged for every three source output lines Ls_out, and for example, the gate output line Lg_out may be arranged for every six source output lines Ls_out.
- three source output lines (source signal lines) Ls_out may be provided for one gate output line (gate signal line) Lg_out.
- the drive module 12 can perform display control of, for example, RGB three colors.
- source output lines (source signal lines) Ls_out may be provided for one gate output line (gate signal line) Lg_out.
- the drive module 12 can perform display control with higher definition and higher speed.
- the display panel 11 can acquire the gate signal and the source signal from only one side thereof via the display panel control terminal 112 (each control terminal), and can receive display control by each signal. .
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a display device that can control display by inputting a gate signal and a source signal from only one side of a matrix type liquid crystal display panel.
- the drive module 12 is not limited to the above-described configuration.
- a configuration such as a modification described below may be used.
- FIG. 11 is a diagram showing the configuration of the drive module 12a. As shown in FIG. 11, in the drive module 12a, the source input line Ls_in is disposed between the gate lines (gate input line Lg_in, gate output line Lg_out). In this way, each wiring may be arranged according to the form of the input terminal Tin.
- FIG. 12 is a diagram showing the configuration of the drive module 12b. As shown in FIG. 12, in the drive module 12b, the source input line Ls_in passes through both sides of the gate driver GD without being connected to the gate driver GD and is connected to the source driver SD. In this way, each wiring may be arranged according to the form of the input terminal Tin.
- FIG. 13 is a diagram illustrating a configuration of the drive module 12c. As shown in FIG. 13, in the drive module 12c, the gate output line Lg_out connected to the gate driver GD is further connected to the source driver SD. The gate output line Lg_out is output from the source driver SD via an in-circuit wiring (not shown) of the source driver SD and is connected to the output terminal Tout.
- the output signal of the gate driver GD is once input to the source driver SD, and the source driver SD generates a source signal and one gate signal for every three source signal outputs.
- the drive module 12c includes an input terminal Tin that receives an input signal from the input signal generation unit 13, an output terminal that outputs a gate signal and a source signal (a gate output terminal that outputs a gate signal, and a source And a source driver (source drive circuit) SD that generates the source signal from an input signal input via the input terminal Tin.
- the output terminal (the gate output terminal and the source output terminal) Tout is formed only on one side, and the source driver SD includes an in-circuit wiring for transmitting the gate signal.
- the source driver SD can transmit a gate signal through the in-circuit wiring. Further, the source driver SD can generate a source signal.
- the drive module 12c can supply a gate signal and a source signal from only one side of the display panel via the control terminal and the like, and can control display of the display panel by each signal.
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a drive module suitable for display control in which a gate signal and a source signal are input from only one side of a matrix type liquid crystal display panel can be provided.
- the wiring can be simplified by using the in-circuit wiring of the source driver SD.
- the display device 1 described above may include a drive module 12c instead of the drive module 12.
- the drive module 12c may further include a gate driver (gate drive circuit) GD that generates the gate signal from the input signal input via the input terminal Tin.
- a gate driver gate drive circuit
- the in-circuit wiring of the source driver SD can acquire the gate signal from the gate driver GD.
- the display device 1 includes an input terminal Tin that receives an input signal from an input signal generation unit 13 (not shown), an output terminal (a gate output terminal that outputs a gate signal, and a source output terminal that outputs a source signal) Tout. And a source driver (source drive circuit) SD that generates the source signal from an input signal input via the input terminal Tin, and the output terminal (the gate output).
- the terminal and the source output terminal) Tout are formed only on one side
- the source driver SD includes the drive module 12 including the in-circuit wiring for transmitting the gate signal, and the display panel control terminal (the above-described terminal output terminal).
- a gate control terminal connected to the gate output terminal and receiving the gate signal input, and connected to the source output terminal.
- the display panel control terminal (the gate control terminal and the source control terminal) 112 is formed only on one side.
- the display panel 11 may be provided.
- the source driver SD can transmit a gate signal through the in-circuit wiring. Further, the source driver SD can generate a source signal.
- the display panel 11 can acquire the gate signal and the source signal from each of the one side only through each control terminal, and can receive display control by each signal.
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a display device that can control display by inputting a gate signal and a source signal from only one side of a matrix type liquid crystal display panel.
- FIG. 14 is a diagram illustrating a configuration of the drive module 12d.
- the source input line Ls_in passes through both sides of the gate driver GD without passing through the wiring passing through the gate driver GD, and is connected to the source driver SD.
- the gate output line Lg_out connected to the gate driver GD is further connected to the source driver SD.
- the gate output line Lg_out is output from the source driver SD via an in-circuit wiring (not shown) of the source driver SD and is connected to the output terminal Tout.
- the drive module may be configured by combining the configuration of the drive module described above with the configuration of another drive module.
- the modification of the drive module 12 is not limited to the above-described configuration.
- a configuration such as a modification described below may be used.
- FIG. 15 is a diagram showing the configuration of the drive module 12e. As shown in FIG. 15, in the drive module 12e, in the drive module 12b shown in FIG. 12, the shape of the source driver SD is expanded in the direction connecting the input terminal Tin and the output terminal Tout.
- the drive module 12b is advantageous in that it can be reduced in size.
- the source driver SD has a substantially square shape, and the output terminal Tout can be provided on three sides of the drive module 12e.
- the pitch between the contact points CP in the chip is widened by increasing the area of the chip (source driver SD) and increasing the peripheral length of the chip.
- the pitch between wirings can also be widened.
- the pitch between wirings can be about 50 ⁇ m.
- the processing cost can be reduced.
- chips can be manufactured using an old generation process. As a result, for example, chips can be manufactured at a factory where depreciation has been completed, and the cost of the chips can be reduced.
- FIG. 16 is a diagram illustrating a configuration of the drive module 12f. As shown in FIG. 16, in the drive module 12f shown in FIG. 14, the shape of the source driver SD is expanded in the direction connecting the input terminal Tin and the output terminal Tout in the drive module 12d shown in FIG. .
- the drive module 12f has a configuration in which the source driver SD like the drive module 12d is combined with the configuration of the drive module 12e and the configuration of the drive module 12e.
- the drive module may be configured by combining the configuration of the drive module described above with the configuration of another drive module.
- the gate driver (gate drive circuit) GD has a rectangular shape, and is connected to the input terminal Tin on a pair of two sides facing each other of the gate driver GD.
- the other side of the driver GD which is on the side where the output terminal (the gate output terminal and the source output terminal) Tout is formed, is connected to the in-circuit wiring.
- the source driver (source driving circuit) SD is a wiring that passes through the gate driver GD and is connected to the input terminal Tin via a wiring that is located between the two sides of the set. good.
- the gate driver GD can receive the input signal to the maximum extent through the input terminal Tin using the two sides of the gate driver GD.
- the source driver SD can receive input signals to the maximum extent through the gate driver GD other than the two sides and the input terminal Tin.
- the drive module 12f can receive input signals to the gate driver GD and the source driver SD through the input terminal Tin to the maximum extent.
- the source driver (source drive circuit) SD has a square shape, and is connected to the output terminal (including the source output terminal) Tout on three sides of the source driver SD.
- the in-circuit wiring is connected to the output terminal (including the gate output terminal) Tout on the three sides, and the gate driver (gate drive circuit) GD is connected to the in-circuit wiring. May be.
- the drive module 12f can fan out to the maximum extent using the three sides (other than the input side) of the source drive circuit.
- fan-out means a logic output (number), and fan-out means outputting a source signal and a gate signal.
- being able to fan out to the maximum means that the number of source output lines Ls_out for outputting source signals and gate output lines Lg_out for outputting gate signals can be increased to the maximum.
- the drive module described above includes a gate driver GD and a source driver SD.
- the present invention is not limited to such a configuration, and in the driving module according to one embodiment of the present invention, the gate driver GD and the source driver SD described above may be replaced with one semiconductor.
- a source signal and a gate signal are generated inside the semiconductor, and one gate signal is output for every three source signals. Further, in the drive module, a wiring related to the signal output in the semiconductor may be configured to match the configuration of the output terminal Tout.
- the display device may include the driving module.
- a display device is a driver module including an input terminal that receives an input signal, a gate output terminal that outputs a gate signal, and a source output terminal that outputs a source signal. And a drive circuit for generating the gate signal and the source signal from the input signal input via the input terminal, wherein the gate output terminal and the source output terminal are formed only on one side.
- the gate control terminal and the source control terminal are provided with a display panel formed only on one side.
- the display panel can acquire the gate signal and the source signal via each control terminal from only one side thereof, and can receive display control by each signal.
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a display device that can control display by inputting a gate signal and a source signal from only one side of a matrix type liquid crystal display panel.
- the display device can be reduced in size and cost. Accordingly, it is possible to provide a display device that can be controlled by inputting a gate signal and a source signal from only one side of the matrix type liquid crystal display panel, and is small and low-cost.
- the display device includes a plurality of the drive modules, a gate control terminal that is connected to the gate output terminal and receives the gate signal, and is connected to the source output terminal. And a source control terminal for receiving the input of the source signal, having a rectangular shape, and the gate control terminal and the source control terminal including a display panel formed only on one side.
- the entire display can be controlled even for a large display panel in which the entire display cannot be controlled with a single drive module. .
- the display device 1 shown in FIG. 1 includes three drive modules 12.
- FIG. 17 is a diagram illustrating a configuration of the multi-display device 100.
- the multi-display device 100 includes six display devices 1, and each display device 1 is bonded to each other on at least one of three sides that do not include the display panel control terminal 112. ing.
- the display device 1 positioned at the corner of the multi-display device 100 is joined to another display device 1 on two sides indicated by a joint side F1 and a joint side F2.
- the display device 1 located in the middle of the multi-display device 100 is joined to another display device 1 on three sides indicated by the joint side F1 and the joint side F2.
- the multi-display device 100 realizes a large display area 101 having an area six times larger than the display area of the display device 1.
- the multi-display device 100 includes a plurality of the display devices 1, and each display device 1 has a side where no display panel control terminal (the gate control terminal and the source control terminal) (not shown) is formed. Of these, at least one side is joined to each other.
- the multi-display device 100 can include a larger display area 101 than the display area of a single display device 1 by combining a plurality of display devices 1.
- the junction (non-display) portion can be reduced.
- a multi-display device having a large display area and a small non-display portion can be provided.
- FIG. 18A and 18B are diagrams showing a configuration of a drive module 12A according to another aspect of the present invention, where FIG. 18A shows a state before punching the base material 121, and FIG. 18B shows a state after the base material 121 is punched (final form).
- FIG. 18A shows a state before punching the base material 121
- FIG. 18B shows a state after the base material 121 is punched (final form).
- FIG. As shown to (a) of FIG. 18, the shape of the drive module 12A before punching out the base material 121 is a square shape.
- punching the base material 121 means removing unnecessary portions of the base material 121 so that the shape of the drive module becomes a desired shape.
- the drive module 12A since the input terminal Tin side is narrower than the output terminal Tout side, a region of the base material 121 that does not require wiring exists on the input terminal Tin side.
- FIGS. 19A and 19B are diagrams showing a configuration of a drive module 12B according to another aspect of the present invention, in which FIG. 19A shows a state before punching the base material 121, and FIG. FIG. Unlike the drive module 12A shown in FIG. 18A, in the drive module 12B shown in FIG. 19A, the wiring that connects the input terminal Tin and the gate driver GD has two wirings facing the gate driver GD. It is connected to the side c1. As shown in FIG. 19B, a polygonal drive module 12B in which unnecessary regions are removed by punching the base material 121 while securing a wiring region for connecting each of the two sides c1 and the input terminal Tin. Is obtained.
- the shape of the drive module is a square shape.
- the configuration is not limited to this configuration, and unnecessary portions of the base material 121 are not limited to this example, as illustrated in FIGS.
- the drive module may be formed into a desired shape, for example, a polygonal shape.
- a driving module includes an input terminal that receives an input signal, a gate output terminal that outputs a gate signal (included in the output terminal Tout), and a source output terminal that outputs a source signal (output terminal)
- a gate drive circuit gate driver GD
- source driver SD source drive circuit
- the drive module can supply a gate signal and a source signal from only one side of the display panel, for example, via the control terminal, and can control display of the display panel by each signal.
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a drive module suitable for display control in which a gate signal and a source signal are input from only one side of a matrix type liquid crystal display panel can be provided.
- the driving module includes a plurality of the gate output terminals and a plurality of the source output terminals, and n source output terminals exist for every m gate output terminals. It is formed, and m and n may be integers.
- the gate output terminal and the source output terminal can be regularly arranged by an arrangement with a constant ratio (m: n), and the wiring connected to each output terminal can also be arranged regularly. If the output terminals and the wirings are irregularly arranged, waste is caused in the arrangement of the output terminals and the wirings. Thereby, the area of a drive module increases and it leads to the cost increase of a drive module. However, according to the above configuration, it is possible to suppress such waste of wiring arrangement, and it is possible to suppress an increase in cost of the drive module.
- the ratio of m to n may be 1: 3 or 1: 6.
- the drive module when the ratio of m: n is 1: 3, the drive module can perform display control of, for example, RGB three colors. Further, since the ratio of m: n is 1: 6, the drive module can perform display control with higher definition and higher speed.
- the source driving circuit has a square shape, and is connected to the source output terminal on three sides of the source driving circuit. It is connected to the gate output terminal via a source driving circuit and a wiring passing through each of the three sides, a wiring connecting the three sides and the gate output terminal, and the three sides and the source output terminal, respectively. May be mixed and fanned out from the source driving circuit.
- the drive module can be fanned out to the maximum by using the three sides (other than the input side) of the source drive circuit.
- the gate driving circuit may be disposed closer to the input terminal than the source driving circuit.
- each circuit can be arranged in the order of the gate drive circuit and the source drive circuit from the input terminal. Accordingly, the gate signal wiring can be fan-out output mixed with a large number of source signal wirings, the area in the drive module can be used effectively, and wirings can be arranged efficiently.
- the display panel is a display panel including a plurality of gate control lines arranged in parallel to each other and a source control line orthogonal to the gate control line, and the gate control line A gate control branch line branched from the source control terminal, a source control terminal connected to the source control line, and a gate control terminal connected to the gate control branch line, and a rectangular shape,
- the gate control terminal and the source control terminal are formed only on one side.
- a display device includes the drive module and the display panel, and the gate output terminal and the gate control terminal are connected to each other, and the source output terminal and the source control are connected. The terminal is connected.
- the display device can acquire the gate signal and the source signal from the drive module via each control terminal from only one side of the display panel, and can receive display control by each signal.
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a display device that can control display by inputting a gate signal and a source signal from only one side of a matrix type liquid crystal display panel.
- the display device may include a plurality of the drive modules, and the plurality of drive modules may be arranged only on one side of the display panel.
- the entire display can be controlled even for a large display panel in which the entire display cannot be controlled with a single drive module. .
- a multi-display device includes a plurality of the display devices, and each display device includes at least one of the sides where the gate control terminal and the source control terminal are not formed ( Joined to each other at the joining side F1 and the joining side F2).
- the multi-display device can have a larger display area than the display area of a single display device by combining a plurality of display devices.
- the junction (non-display) portion can be reduced.
- a multi-display device having a large display area and a small non-display portion can be provided.
- the gate driving circuit and the gate output terminal may be connected via a wiring passing through the source driving circuit.
- the gate drive circuit can output a gate signal to the gate output terminal via the wiring passing through the source drive circuit. This eliminates the need for wiring that bypasses the source driving circuit, makes it possible to shorten the wiring distance, and to reduce the cost of the driving module.
- the gate driving circuit and the source driving circuit each have a center passing through the side on which the gate output terminal and the source output terminal are formed. You may arrange
- the wirings related to each signal can be arranged so as to be line-symmetric with respect to the center line. As a result, optimal wiring arrangement is possible.
- the wiring arrangement is wasted. Thereby, the area of a drive module increases and it leads to the cost increase of a drive module.
- the drive module is, for example, a tape device in which each drive circuit is arranged on a tape, it is preferable that the drive module can be bent and used.
- the mechanical bending strength can be increased by disposing the center of each driver on the center line of the drive module, so that the drive module can be bent and used.
- the input terminal and the source driving circuit may be connected via a wiring that passes through the gate driving circuit.
- the source driving circuit can receive an input signal from the input terminal via the wiring passing through the gate driving circuit. This eliminates the need for wiring that bypasses the gate driving circuit, shortens the wiring distance, and reduces the cost of the driving module.
- the gate driving circuit has a square shape, and is connected to the input terminal at a pair of two sides facing each other of the gate driving circuit.
- the other side of the driving circuit which is on the side of the side where the gate output terminal and the source output terminal are formed, is connected to the gate output terminal, and the source driving circuit is
- the wiring passing through the gate drive circuit may be connected to the input terminal via a wiring located between the two sets of two sides.
- the gate drive circuit can receive the input signal to the maximum extent through the input terminal using the two sides of the gate drive circuit.
- the source driving circuit can receive input signals to the maximum extent through the sides other than the two sides and the input terminal of the gate driving circuit.
- the drive module can receive input signals to the gate drive circuit and the source drive circuit to the maximum extent through the input terminals.
- the display device is a driving module including an input terminal that receives an input signal, a gate output terminal that outputs a gate signal, and a source output terminal that outputs a source signal. And a source driving circuit for generating the source signal from the input signal input through the input terminal, and having a square shape, the gate output terminal and the source output terminal are formed only on one side.
- the source driving circuit includes a driving module including an in-circuit wiring for transmitting the gate signal, a gate control terminal connected to the gate output terminal and receiving the input of the gate signal, and the source A source control terminal connected to the output terminal and receiving the input of the source signal, and having a square shape, the gate control terminal and the above Over scan control terminal, and a display panel which is formed only on one side side.
- the source drive circuit can transmit a gate signal through the in-circuit wiring.
- the source driver circuit can generate a source signal.
- the display panel can acquire the gate signal and the source signal from each side only through each control terminal, and can receive display control by each signal.
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a display device that can control display by inputting a gate signal and a source signal from only one side of a matrix type liquid crystal display panel.
- the drive module is a drive module including an input terminal that receives an input signal, a gate output terminal that outputs a gate signal, and a source output terminal that outputs a source signal.
- a source driving circuit that generates the source signal from an input signal input via the input terminal, and the gate output terminal and the source output terminal are formed only on one side,
- the source driving circuit includes an in-circuit wiring for transmitting the gate signal.
- the source drive circuit can transmit a gate signal through the in-circuit wiring.
- the source driver circuit can generate a source signal.
- the drive module can supply the gate signal and the source signal from only one side of the display panel via the control terminal and the like, and the display panel can be controlled by each signal.
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a drive module suitable for display control in which a gate signal and a source signal are input from only one side of a matrix type liquid crystal display panel can be provided.
- the driving module may further include a gate driving circuit that generates the gate signal from an input signal input through the input terminal.
- the in-circuit wiring of the source driving circuit can acquire the gate signal from the gate driving circuit.
- the gate driving circuit has a square shape, and is connected to the input terminal at a pair of two sides facing each other of the gate driving circuit.
- the other side of the driving circuit which is located on the side where the gate output terminal and the source output terminal are formed, is connected to the in-circuit wiring, and the source driving circuit is
- the wiring passing through the gate drive circuit may be connected to the input terminal via a wiring located between the two sets of two sides.
- the gate drive circuit can receive the input signal to the maximum extent through the input terminal using the two sides of the gate drive circuit.
- the source driving circuit can receive input signals to the maximum extent through the sides other than the two sides and the input terminal of the gate driving circuit.
- the drive module can receive input signals to the gate drive circuit and the source drive circuit to the maximum extent through the input terminals.
- the source driving circuit has a rectangular shape, and is connected to the source output terminal on three sides of the source driving circuit. Three sides may be connected to the gate output terminal, and the gate driving circuit may be connected to the in-circuit wiring.
- the drive module can be fanned out to the maximum by using the three sides (other than the input side) of the source drive circuit.
- the display device is a driving module including an input terminal that receives an input signal, a gate output terminal that outputs a gate signal, and a source output terminal that outputs a source signal. And a drive circuit for generating the gate signal and the source signal from an input signal input via the input terminal, and the gate output terminal and the source output terminal are formed only on one side.
- the gate control terminal and the source control terminal are provided with a display panel formed only on one side.
- the display panel can acquire the gate signal and the source signal via each control terminal from only one side thereof, and can receive display control by each signal.
- Such gate signals and source signals are suitable for display control of a matrix type liquid crystal display panel.
- a display device that can control display by inputting a gate signal and a source signal from only one side of a matrix type liquid crystal display panel.
- the display device can be reduced in size and cost. Accordingly, it is possible to provide a display device that can be controlled by inputting a gate signal and a source signal from only one side of the matrix type liquid crystal display panel, and is small and low-cost.
- the display device includes a plurality of the drive modules, a gate control terminal that is connected to the gate output terminal and receives the gate signal, and is connected to the source output terminal. And a source control terminal for receiving the input of the source signal, having a rectangular shape, and the gate control terminal and the source control terminal including a display panel formed only on one side.
- the entire display can be controlled even for a large display panel in which the entire display cannot be controlled with a single drive module. .
- the present invention can be widely used for matrix display devices.
Abstract
Description
本発明の一実施形態について、図1~図10などに基づいて説明すれば、以下のとおりである。
図1は、本発明の一態様に係る表示装置1の構成を示す図である。図1に示すように、表示装置1は、入力信号生成部13と、表示パネル11と、駆動モジュール12とを備えている。
入力信号生成部13は、駆動モジュール12に入力信号を供給する。当該入力信号は、例えば、駆動モジュール12を駆動するための電力供給に利用される電気信号や、表示用のデータ信号や、駆動モジュール12の各ドライバにおいてソース信号およびゲート信号を生成する際に利用されるクロック信号などの制御信号を含んでも良い。
図2は、表示装置1が備えている表示パネル11の構成を示す図であり、(a)は全体の構成を示し、(b)は画素Eの構成を示す図である。図2の(a)に示すように、表示パネル11は、表示部111と、表示パネル制御端子(ゲート制御端子、ソース制御端子を含んでいる)112とを備えている。このように、表示パネル11は、駆動モジュール12の出力端子と接続する表示パネル制御端子112を1辺側のみに備えており、方形の形状を有している。
図5は、表示装置1が備えている駆動モジュール12の構成を示す図であり、(a)は上面図、(b)は断面図である。図5の(a)に示すように、駆動モジュール12は、1枚の基材121の上に、入力端子Tinと、ゲートドライバ(ゲート駆動回路)GDと、ソースドライバ(ソース駆動回路)SDと、出力端子Toutとを備えている。ここで、出力端子Toutは、駆動モジュール12の1辺側にのみ形成されており、ゲートドライバGDの出力信号(ゲート信号)を出力するゲート出力端子およびソースドライバSDの出力信号(ソース信号)を出力するソース出力端子を備えている。つまり、上記ゲート出力端子および上記ソース出力端子は、駆動モジュール12の1辺側にのみ形成されている。
上記構成によれば、表示パネル11は、その1辺側のみから表示パネル制御端子112(各制御端子)を介してゲート信号およびソース信号を取得可能となり、各信号による表示制御を受けることができる。また、このようなゲート信号およびソース信号は、マトリクス型の液晶表示パネルの表示制御に好適である。
本発明の他の実施形態について、図11~図14に基づいて説明すれば、以下のとおりである。なお、説明の便宜上、上記実施形態にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。
駆動モジュール12は、上述の構成に限定されるわけではない。例えば、以下に説明する変形例のような構成であっても良い。
図11は、駆動モジュール12aの構成を示す図である。図11に示すように、駆動モジュール12aでは、ソース入力線Ls_inが、ゲート配線(ゲート入力線Lg_in、ゲート出力線Lg_out)の間に配置されている。このように、入力端子Tinの形態に応じて、各配線を配置しても良い。
図12は、駆動モジュール12bの構成を示す図である。図12に示すように、駆動モジュール12bでは、ソース入力線Ls_inが、ゲートドライバGDを通過する配線を介さずにゲートドライバGDの両脇を通過して、ソースドライバSDと接続されている。このように、入力端子Tinの形態に応じて、各配線を配置しても良い。
図13は、駆動モジュール12cの構成を示す図である。図13に示すように、駆動モジュール12cでは、ゲートドライバGDと接続されているゲート出力線Lg_outは、さらにソースドライバSDとも接続されている。そして、当該ゲート出力線Lg_outは、ソースドライバSDの図示しない回路内配線を介して、ソースドライバSDから出力され、出力端子Toutと接続されている。
図14は、駆動モジュール12dの構成を示す図である。図14に示すように、駆動モジュール12dでは、ソース入力線Ls_inが、ゲートドライバGDを通過する配線を介さずにゲートドライバGDの両脇を通過して、ソースドライバSDと接続されており、かつ、ゲートドライバGDと接続されているゲート出力線Lg_outは、さらにソースドライバSDとも接続されている。そして、当該ゲート出力線Lg_outは、ソースドライバSDの図示しない回路内配線を介して、ソースドライバSDから出力され、出力端子Toutと接続されている。このように、上述の駆動モジュールの構成に他の駆動モジュールの構成を組み合わせて、駆動モジュールを構成しても良い。
本発明の他の実施形態について、図15および図16に基づいて説明すれば、以下のとおりである。なお、説明の便宜上、上記実施形態にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。
駆動モジュール12の変形例は、上述の構成に限定されるわけではない。例えば、以下に説明する変形例のような構成であっても良い。
図15は、駆動モジュール12eの構成を示す図である。図15に示すように、駆動モジュール12eは、図12に示す駆動モジュール12bにおいて、ソースドライバSDの形状が、入力端子Tinおよび出力端子Toutを結ぶ方向に拡張されている。
図16は、駆動モジュール12fの構成を示す図である。図16に示すように、駆動モジュール12fは、図14に示す駆動モジュール12dにおいて、駆動モジュール12eのように、ソースドライバSDの形状が、入力端子Tinおよび出力端子Toutを結ぶ方向に拡張されている。
<その他の構成および当該構成の効果>
上述の駆動モジュールは、ゲートドライバGDおよびソースドライバSDを個別に備えている。しかしながら、このような構成に限定されるわけではなく、本発明の一態様に係る駆動モジュールでは、上述のゲートドライバGDおよびソースドライバSDを、1つの半導体に置き換えても良い。
本発明の他の実施形態について、図17に基づいて説明すれば、以下のとおりである。なお、説明の便宜上、上記実施形態にて説明した部材と同じ機能を有する部材については、同じ符号を付記し、その説明を省略する。
図17は、マルチディスプレイ装置100の構成を示す図である。図17に示すように、マルチディスプレイ装置100は、6個の表示装置1を備えており、各表示装置1は、表示パネル制御端子112を備えていない3辺のうち少なくとも1辺において互いに接合されている。
図18は、本発明の他の態様に係る駆動モジュール12Aの構成を示す図であり、(a)は基材121の打ち抜き前、(b)は基材121の打ち抜き後(最終形態)を示す図である。図18の(a)に示すように、基材121を打ち抜く前の駆動モジュール12Aの形状は、方形状になっている。ここで、基材121を打ち抜くとは、駆動モジュールの形状が所望の形状となるように、基材121の不要な部分を除去することを意味する。例えば、駆動モジュール12Aでは、出力端子Tout側に対して、入力端子Tin側の幅が狭く絞られているため、配線が不要な基材121の領域が、入力端子Tin側に存在する。図18の(b)に示すように、当該不要領域の基材121の部分などを打ち抜くことにより、出力端子Tout側に対して入力端子Tin側の幅が小さい多角形状の駆動モジュール12Aが得られる。
本発明の一態様に係る駆動モジュールは、入力信号の入力を受ける入力端子と、ゲート信号を出力するゲート出力端子(出力端子Toutに含まれる)と、ソース信号を出力するソース出力端子(出力端子Toutに含まれる)とを備えている駆動モジュールであって、上記入力端子を介して入力された上記入力信号から、上記ゲート信号を生成するゲート駆動回路(ゲートドライバGD)と、上記ソース信号を生成するソース駆動回路(ソースドライバSD)とを備えており、上記ゲート出力端子および上記ソース出力端子は、1辺側にのみ形成されている。
本発明の一態様に係る駆動モジュールでは、上記ゲート駆動回路および上記ゲート出力端子は、上記ソース駆動回路を通過する配線を介して接続されていても良い。
本発明は上述した各実施形態に限定されるものではなく、請求項に示した範囲で種々の変更が可能であり、異なる実施形態にそれぞれ開示された技術的手段を適宜組み合わせて得られる実施形態についても本発明の技術的範囲に含まれる。さらに、各実施形態にそれぞれ開示された技術的手段を組み合わせることにより、新しい技術的特徴を形成することができる。
11 表示パネル
12 駆動モジュール
12a 駆動モジュール
12b 駆動モジュール
12c 駆動モジュール
12d 駆動モジュール
12e 駆動モジュール
12f 駆動モジュール
12A 駆動モジュール
12B 駆動モジュール
100 マルチディスプレイ装置
GD ゲートドライバ(ゲート駆動回路)
Lb ゲート制御分岐線
Lg ゲート制御線
Ls ソース制御線
SD ソースドライバ(ソース駆動回路)
Tg ゲート制御端子
Ts ソース制御端子
Claims (9)
- 入力信号の入力を受ける入力端子と、ゲート信号を出力するゲート出力端子と、ソース信号を出力するソース出力端子とを備えている駆動モジュールであって、
上記入力端子を介して入力された上記入力信号から、上記ゲート信号を生成するゲート駆動回路と、上記ソース信号を生成するソース駆動回路とを備えており、
上記ゲート出力端子および上記ソース出力端子は、1辺側にのみ形成されていることを特徴とする駆動モジュール。 - 複数の上記ゲート出力端子および複数の上記ソース出力端子を備えており、
上記ソース出力端子は、上記ゲート出力端子m個につきn個存在するように形成されており、
上記mおよび上記nは、整数であることを特徴とする請求項1に記載の駆動モジュール。 - 上記mと上記nとの比は、1:3または1:6であることを特徴とする請求項2に記載の駆動モジュール。
- 上記ソース駆動回路は、
方形状であり、
当該ソース駆動回路の3辺において、上記ソース出力端子と接続されており、
上記ゲート駆動回路は、
当該ソース駆動回路および上記3辺をそれぞれ通過する配線を介して、上記ゲート出力端子と接続されており、
上記3辺と上記ゲート出力端子とをそれぞれ接続する配線および上記3辺と上記ソース出力端子とをそれぞれ接続する配線は、混合されて、当該ソース駆動回路からファンアウトされていることを特徴とする請求項1~3のいずれか1項に記載の駆動モジュール。 - 上記ゲート駆動回路は、上記ソース駆動回路よりも上記入力端子の近くに配置されていることを特徴とする請求項1~4のいずれか1項に記載の駆動モジュール。
- 複数の互いに平行に配された、ゲート制御線および上記ゲート制御線と直行するソース制御線を備えている表示パネルであって、
上記ゲート制御線から分岐しているゲート制御分岐線と、上記ソース制御線と接続されているソース制御端子と、上記ゲート制御分岐線と接続されているゲート制御端子とを備えており、
方形状であり、
上記ゲート制御端子および上記ソース制御端子は、1辺側にのみ形成されていることを特徴とする表示パネル。 - 請求項1~5のいずれか1項に記載の駆動モジュールと、
請求項6に記載の表示パネルとを備えており、
上記ゲート出力端子および上記ゲート制御端子が接続されており、
上記ソース出力端子および上記ソース制御端子が接続されていることを特徴とする表示装置。 - 上記駆動モジュールを複数個備えており、
上記表示パネルの1辺側にのみ、当該複数の駆動モジュールが配されていることを特徴とする請求項7に記載の表示装置。 - 請求項7または8に記載の表示装置を複数個備えており、
各表示装置は、上記ゲート制御端子および上記ソース制御端子が形成されていない辺のうち少なくとも1辺において互いに接合されていることを特徴とするマルチディスプレイ装置。
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CN104737218B (zh) | 2017-03-01 |
CN104737218A (zh) | 2015-06-24 |
JP5940679B2 (ja) | 2016-06-29 |
US20150302815A1 (en) | 2015-10-22 |
JPWO2014077175A1 (ja) | 2017-01-05 |
US9489908B2 (en) | 2016-11-08 |
TW201421110A (zh) | 2014-06-01 |
TWI567447B (zh) | 2017-01-21 |
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