CN110299121A - Film crystal tube drive circuit and liquid crystal display device - Google Patents
Film crystal tube drive circuit and liquid crystal display device Download PDFInfo
- Publication number
- CN110299121A CN110299121A CN201910604618.1A CN201910604618A CN110299121A CN 110299121 A CN110299121 A CN 110299121A CN 201910604618 A CN201910604618 A CN 201910604618A CN 110299121 A CN110299121 A CN 110299121A
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- China
- Prior art keywords
- optical filter
- drive circuit
- tube drive
- tft layer
- edge
- Prior art date
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- 239000013078 crystal Substances 0.000 title claims abstract description 47
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 41
- 230000003287 optical effect Effects 0.000 claims abstract description 80
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims description 35
- 230000013011 mating Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 description 38
- 239000010409 thin film Substances 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 7
- 238000005034 decoration Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
-
- 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
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136222—Colour filters incorporated in the active matrix substrate
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Liquid Crystal (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A kind of film crystal tube drive circuit includes tft layer, optical filter, sealing element, welded gasket and signal pins.Tft layer has engagement pin and first edge, and the one end for engaging pin extends to the first edge of tft layer.Optical filter is set on tft layer, and keeps spacing distance with tft layer, and the edge of optical filter protrudes from the first edge of tft layer.Sealing element is incorporated between tft layer and optical filter, and is flushed with first edge.Welded gasket is located at the outside of sealing element, and is electrically connected at the engagement pin of tft layer.Signal pins are parallel to the normal direction setting of tft layer, and signal pins have first side, are incorporated into welded gasket, and extend along the direction far from optical filter.The present invention also proposes a kind of liquid crystal display device with film crystal tube drive circuit.
Description
Technical field
The present invention about liquid crystal display device driving circuit, especially with regard to a kind of film crystal tube drive circuit with
And the liquid crystal display device using this film crystal tube drive circuit.
Background technique
In liquid crystal display device, at least side is for connecting side as signal.To induction signal connection side position,
Multiple engagement pins can be configured on film crystal tube drive circuit.COF (Chip on Film) for feeding is then connect with signal
Foot is welded in engagement pin, and completes the connection of film crystal tube drive circuit and outside source.
Aforementioned COF is incorporated into the region of film crystal tube drive circuit, need to be with decoration and black matrix" light shield layer
(Black Matrix resist, BM resist) blocks signal fed lines, and forms one in the front of display
A frame region with big width.In addition, COF is combined by film crystal tube drive circuit front, then it is bent to film crystal
Behind the side of tube drive circuit, arc evagination can be actually presented in the part COF positioned at film crystal tube drive circuit side
Form.If being cut at this time with laser to polaroid, it is easy so that laser beam surprisingly damages COF.Therefore, polarisation
Thin film transistor (TFT) drive circuit layer is had to be larger than in the size design of piece, so that laser beam will not destroy COF, consequently
But also the width of decoration and black matrix" light shield layer can not further reduce.
Summary of the invention
Since the signal of film crystal tube drive circuit feeds design, so that the signal connection side of liquid crystal display device is necessary
Decoration and black matrix" light shield layer.Thus the positive frame region of display can not be further reduced, and can not drop
The cost of low configuration decoration and black matrix" light shield layer.
In view of the above problems, the present invention proposes that a kind of film crystal tube drive circuit and application this thin film transistor (TFT) drive
The liquid crystal display device of circuit, can omit decoration configuration, and can effectively display positive frame region size.
The present invention proposes a kind of film crystal tube drive circuit, includes tft layer, optical filter, sealing element, welding
Pad and signal pins.Tft layer has at least one engagement pin and a first edge, and engages one end of pin
Extend to the first edge of tft layer.Optical filter is set on tft layer, and is protected with tft layer
A spacing distance is held, and the edge of optical filter protrudes from the first edge of tft layer.Sealing element is incorporated into film crystal
Between tube layer and optical filter, and flushed with first edge.Welded gasket is located at the outside of sealing element, and is electrically connected at film crystalline substance
The engagement pin of body tube layer.Signal pins are parallel to the normal direction setting of tft layer, and signal pins have one
First side is incorporated into welded gasket, and extends along the direction far from optical filter.
In an at least embodiment of the invention, the edge of optical filter protrudes from the width of first edge between 0.16mm extremely
Between 0.3mm.
In an at least embodiment of the invention, film crystal tube drive circuit further includes a binder course, is located at optical filter court
To the one side of tft layer.
In an at least embodiment of the invention, binder course is a transparency conducting layer.
In an at least embodiment of the invention, binder course extends to the part that optical filter protrudes from tft layer.
In an at least embodiment of the invention, film crystal tube drive circuit further includes a light shield layer, is set to binder course
Between optical filter, and the width of light shield layer is greater than or equal to binder course.
In an at least embodiment of the invention, above-mentioned film crystal tube drive circuit further includes a light shield layer, is covered in
Optical filter, and binder course partial mulching is in light shield layer.
In an at least embodiment of the invention, film crystal tube drive circuit further includes a light shield layer, arranged side by side with binder course
Configuration, wherein light shield layer is to be arranged along the edge of optical filter, and binder course then connects light shield layer and extends internally.
In an at least embodiment of the invention, welded gasket extends towards optical filter and is incorporated into binder course.
In an at least embodiment of the invention, sealing element is the edge setting for surrounding tft layer, and is covered in and connects
Close pin.
In an at least embodiment of the invention, signal pins further include the connecting end surface for extending first side, in conjunction with
In optical filter towards the one side of tft layer.
In an at least embodiment of the invention, signal pins further include a second side, are in an angle with first side, the
Two side faces are incorporated into optical filter.
In an at least embodiment of the invention, film crystal tube drive circuit further includes a polaroid, is incorporated into optical filter.
Based on aforementioned film transistor driver circuit, the present invention also proposes a kind of liquid crystal display device, includes aforementioned film
Transistor driver circuit and liquid crystal display media.Liquid crystal display media is incorporated on tft layer, and is located at and is filtered
Between piece and tft layer.
In liquid crystal display device of the invention, signal pins are hidden under optical filter, and tft layer will not be because
It configures the demand of signal pins and the region not covered by optical filter occurs.That is, liquid crystal display device will not be because of letter
The setting of number pin, and need bold border etc. and cover dependency structure, to block the region not covered by optical filter.Film crystal
In tube drive circuit, it is only necessary in the light shield layer of the edge of optical filter configuration proper width, signal pins, connection letter can be blocked
The circuit and lateral light leakage of number pin.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the sectional exploded view of film crystal tube drive circuit in first embodiment of the invention.
Fig. 2 is the sectional view of film crystal tube drive circuit in first embodiment of the invention.
Fig. 3 is the sectional exploded view of local element in first embodiment of the invention.
Fig. 4 is the sectional view of local element in first embodiment of the invention.
Fig. 5 is in first embodiment of the invention, and the sectional view of film crystal tube drive circuit, signal is cut with laser beam
Polaroid.
Fig. 6 is the sectional view of liquid crystal display device in first embodiment of the invention.
Fig. 7 is the sectional view of film crystal tube drive circuit in second embodiment of the invention.
Fig. 8 is the sectional view of film crystal tube drive circuit in third embodiment of the invention.
Fig. 9 is the sectional view of film crystal tube drive circuit in fourth embodiment of the invention.
Figure 10 is the sectional view of film crystal tube drive circuit in fifth embodiment of the invention.
Figure 11 is the sectional exploded view of local element in fifth embodiment of the invention.
Wherein, appended drawing reference:
100 liquid crystal display device, 110 tft layer
112 engagement 114 first edges of pin
120 optical filter, 122 binder course
130 sealing element, 140 welded gasket
150 signal pins, 152 first side
154 second side, 156 connecting end surface
170 polaroid, 180 liquid crystal display media
182 backlight module, 190 light shield layer
N normal direction G spacing distance
L laser beam
Specific embodiment
Structural principle and working principle of the invention are described in detail with reference to the accompanying drawing:
In the accompanying drawings, for the sake of clarity, it is exaggerated the width in subelement, region etc..Throughout the specification, identical
Appended drawing reference indicate identical element.It should be appreciated that ought such as element be referred to as another in another element "upper" or " being connected to "
When one element, it can be connect directly on another element or with another element or intermediary element can be there is also.On the contrary,
When element is referred to as " directly on another element " or when " being directly connected to " another element, intermediary element is not present.
It will be appreciated that though term " first ", " second ", " third " etc. herein can be used for describing various elements,
Component, region or part, but these component, assembly units, region and/or part should not be limited by these terms.These arts
Language is only used for distinguishing a component, assembly unit, region or part and another component, assembly unit, region, layer or part.Cause
This, " first element " discussed below, " component ", " region " or " part " can be referred to as second element, component, region or
Part is without departing from teaching herein.
In addition, the relative terms of such as "lower" or " bottom surface " and "upper" or " top surface " can be used to describe herein a member
The relationship of part and another element, as shown in the figure.It should be appreciated that relative terms are intended to include other than orientation shown in figure
The different direction of device.For example, being described as be in the member of the "lower" side of other elements if the device in an attached drawing is overturn
Part will be oriented at the "upper" side of other elements.Therefore, exemplary term "lower" may include the orientation of "lower" and "upper", depend on
In the specific orientation of attached drawing.Similarly, if the device in an attached drawing is overturn, other elements " lower section " are described as be in
Element will be oriented in other elements " top ".Therefore, exemplary term " following " or " following " may include top under
The orientation of side.
As shown in Figures 1 and 2, it is a kind of film crystal tube drive circuit disclosed by first embodiment of the invention, includes
One tft layer 110, an optical filter 120, a sealing element 130, at least a welded gasket 140 and a signal pins 150.
As shown in Figures 1 and 2, tft layer 110 has thin film transistor (TFT) array (figure does not indicate), outer to receive
Portion's signal carries out switching.Tft layer 110 has one or more engagement pins 112, each to engage pin 112 at least
One end extends to a first edge 114 of tft layer 110.The first edge 114 can be tft layer 110
Any edge；In general, first edge 114 can be corresponding to liquid crystal display in the liquid crystal display device 100 being uprightly arranged
The edge of the bottom of device 100, but be not excluded for corresponding to 100 side of liquid crystal display device to edge.
As shown in Figures 1 and 2, optical filter 120 is set on tft layer 110, and with tft layer 110
Keep a spacing distance G.The edge of optical filter 120 protrudes from the first edge 114 of tft layer 110.Optical filter 120 is more
Comprising a binder course 122, positioned at optical filter 120 towards the one side of tft layer 110, and it is prominent to extend to optical filter 120
For the part of tft layer 110.
As shown in Figures 1 and 2, sealing element 130 is incorporated between tft layer 110 and optical filter 120.In general, close
Sealing 130 is the edge setting for surrounding tft layer 110, is covered in engagement pin 112, and flush with first edge 114.
Tft layer 110 and optical filter 120 are connected by sealing element 130, spacing distance G can be made to be sealed as closed accommodating empty
Between.
As shown in Figures 1 and 2, welded gasket 140 is located at the outside of sealing element 130, and is electrically connected at thin film transistor (TFT)
The engagement pin 112 of layer 110.Welded gasket 140 also further extends towards optical filter 120 and is incorporated into binder course 122.Binder course
122 specific embodiment is transparency conducting layer, such as tin indium oxide (ITO layer).The setting of binder course 122 is to allow it
His metal or semiconductor element can be incorporated into optical filter 120；And transparency conducting layer is then conducive to as binder course 122 in vision
Upper hiding binder course 122, and maintain the original optical characteristics of optical filter 120.If the material of optical filter 120 be suitble to directly and other
Metal or semiconductor element combine, and binder course 122 can also be omitted.
As shown in Figure 1, Figure 2 and shown in Fig. 3, signal pins 150 have a first side 152 with and extend first side 152
A connecting end surface 156.Signal pins 150 usually extend the conductive sheet at the edge COF (Chip on Film), first side
152 be the one side of conductive sheet, and connecting end surface 156 is the plane of conductive sheet front edge.Signal pins 150 are parallel to thin
The normal direction N of film transistor layer 110, first side 152 are incorporated into welded gasket 140, and along the direction far from optical filter 120
Extend.
As shown in Figure 2 and Figure 3, the connecting end surface 156 of signal pins 150 further combined in optical filter 120 towards film
The one side of transistor layer 110.Signal pins 150 can be incorporated into indirectly optical filter 120 by binder course 122, can also be direct
It is incorporated into optical filter 120.In addition, signal pins 150 are in the part for exceeding tft layer 110 on normal direction N, it is bent
And extend along the bottom surface of tft layer 110.
As shown in figure 4, the edge of optical filter 120 protrudes from the width of first edge 114, it is vertical to be greater than signal pins 150
In the thickness of normal direction N.In a specific embodiment, the width that the edge of optical filter 120 protrudes from first edge 114 is situated between
In 0.16mm between 0.3mm, and the thickness of signal pins 150 is less than 0.16mm.Therefore, from normal direction N towards optical filter 120
Observation, signal pins 150 can be between first edge 114 and the edge of optical filter 120, without exposing to optical filter 120
Except.
As shown in figure 5, being based on optical demands, also need to combine a polaroid 170 on optical filter 120, and to polaroid
170 edge is cut, so that the edge of polaroid 170 is flushed with the edge of optical filter 120.Operation is cut usually with laser
It executes.As shown in figure 4, since signal pins 150 can be between first edge 114 and the edge of optical filter 120, to inclined
When mating plate 170 is cut, through polaroid 170 laser beam L can by the outside at the edge of optical filter 120, without
Damage signal pin 150.
As shown in fig. 6, the present invention further provides one based on film crystal tube drive circuit disclosed by first embodiment
Kind liquid crystal display device 100, film crystal tube drive circuit and a liquid crystal display media comprising any embodiment of the present invention
180.Liquid crystal display media 180 is incorporated on tft layer 110, and is located at optical filter 120 and tft layer 110
Between, to be driven by tft layer 110.One specific embodiment of liquid crystal display media 180 is liquid crystal display panel, has liquid
Brilliant unit (liquid-crystal cell) array, the thin film transistor (TFT) array of tft layer 110 is for driving liquid crystal list
First actuation, and change optical characteristics.Liquid crystal display device 100 further includes a backlight module 182, is set to tft layer
Under 110, to provide backlight to liquid crystal display media 180.
As shown in fig. 7, for liquid crystal display device 100 disclosed by second embodiment of the invention there is thin film transistor (TFT) to drive
Dynamic circuit and a liquid crystal display media 180.In second embodiment, a light shield layer 190, such as black matrix" shading are further included
Layer (Black Matrix resist, BM resist).Light shield layer 190 is set between binder course 122 and optical filter 120, and
The width of light shield layer 190 is greater than or equal to binder course 122, so that masking is located at the line construction under binder course 122, and covers
The lateral light leakage at 180 edge of liquid crystal display media.
As shown in figure 8, for liquid crystal display device 100 disclosed by third embodiment of the invention there is thin film transistor (TFT) to drive
Dynamic circuit and a liquid crystal display media 180.In 3rd embodiment, light shield layer 190 is set to binder course 122 and optical filter
Between 120.It is that light shield layer 190 first is set in the bottom surface of optical filter 120, light shield layer 190 can be all covered in when actual fabrication
Optical filter 120, then binder course 122 is made, so that 122 partial mulching of binder course is in light shield layer 190.
As shown in figure 9, for liquid crystal display device 100 disclosed by fourth embodiment of the invention there is thin film transistor (TFT) to drive
Dynamic circuit and a liquid crystal display media 180.In fourth embodiment, light shield layer 190 and binder course 122 configure side by side, wherein
Light shield layer 190 is to be arranged along the edge of optical filter 120, and binder course 122 then connects light shield layer 190 and extends internally.
As shown in Figures 10 and 11, it is liquid crystal display device 100 disclosed by fifth embodiment of the invention, has film brilliant
Body tube drive circuit and a liquid crystal display media 180.In the 5th embodiment, signal pins 150 have the by bending
One side 152 and with first side 152 be in an angle second side 154.Wherein, first side 152 is parallel to normal side
To N, and first side 152 is incorporated into welded gasket 140.Second side 154 is incorporated into optical filter 120, and especially optical filter 120 does not have
There is the part blocked by sealing element 130.Second side 154 can be incorporated into optical filter 120 by binder course 122, can also be straight
Binding is together in optical filter 120.Binding force is provided simultaneously by first side 152 and second side 154, signal pins 150 can
To be more reliably fixed.Similarly, the film crystal tube drive circuit of the 5th embodiment can also configure light shield layer 190, hide
The configuration mode of photosphere 190 can be second to configuration mode disclosed by fourth embodiment.
In liquid crystal display device 100 of the invention, the first edge 114 of tft layer 110 is to inside contract and connect
It is hidden under optical filter 120 with signal pins 150.Therefore, tft layer 110 will not be because of configuration signal pins 150
Demand and there is the region not covered by optical filter 120.That is, liquid crystal display device 100 will not be because of signal pins 150
Setting, and need bold border etc. and cover dependency structure, to block the region not covered by optical filter 120.Thin film transistor (TFT)
In driving circuit, it is only necessary in the light shield layer 190 of the edge of optical filter 120 configuration proper width, signal pins can be blocked
150, the circuit of connection signal pin 150 and lateral light leakage.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (14)
1. a kind of film crystal tube drive circuit, characterized by comprising:
One tft layer has at least one engagement pin and a first edge, and one end of the engagement pin extends to
The first edge of the tft layer；
One optical filter is set on the tft layer, and keeps a spacing distance, and the filter with the tft layer
The edge of mating plate protrudes from the first edge of the tft layer；
One sealing element is incorporated between the tft layer and the optical filter, and is flushed with the first edge；
An at least welded gasket positioned at the outside of the sealing element, and is electrically connected at the engagement pin of the tft layer；
And
One signal pins are parallel to the normal direction setting of the tft layer, and the signal pins have one first side
Face is incorporated into the welded gasket, and extends along the direction far from the optical filter.
2. film crystal tube drive circuit as described in claim 1, which is characterized in that the edge of the optical filter protrude from this
The width at one edge is between 0.16mm between 0.3mm.
3. film crystal tube drive circuit as described in claim 1, which is characterized in that further include a binder course, be located at the filter
One side of the mating plate towards the tft layer.
4. film crystal tube drive circuit as claimed in claim 3, which is characterized in that the binder course is a transparency conducting layer.
5. film crystal tube drive circuit as claimed in claim 3, which is characterized in that it is prominent that the binder course extends to the optical filter
For the part of the tft layer.
6. film crystal tube drive circuit as claimed in claim 3, which is characterized in that further include a light shield layer, be set to this
Between binder course and the optical filter, and the width of the light shield layer is greater than or equal to the binder course.
7. film crystal tube drive circuit as claimed in claim 3, which is characterized in that further include a light shield layer, be covered in this
Optical filter, and the binder course partial mulching is in the light shield layer.
8. film crystal tube drive circuit as claimed in claim 3, which is characterized in that a light shield layer is further included, in conjunction with this
Layer configuration side by side, wherein the light shield layer is to be arranged along the edge of the optical filter, and then to connect the light shield layer inside for the binder course
Extend.
9. film crystal tube drive circuit as claimed in claim 3, which is characterized in that the welded gasket towards the optical filter extend and
It is incorporated into the binder course.
10. film crystal tube drive circuit as described in claim 1, which is characterized in that the sealing element is to surround film crystalline substance
The edge of body tube layer is arranged, and is covered in the engagement pin.
11. film crystal tube drive circuit as described in claim 1, which is characterized in that the signal pins, which further include, to be extended
One connecting end surface of the first side is incorporated into one side of the optical filter towards the tft layer.
12. film crystal tube drive circuit as described in claim 1, which is characterized in that the signal pins further include one second
Side, is in an angle with the first side, which is incorporated into the optical filter.
13. film crystal tube drive circuit as described in claim 1, which is characterized in that further include a polaroid, be incorporated into this
Optical filter.
14. a kind of liquid crystal display device, characterized by comprising:
Such as the described in any item film crystal tube drive circuits of claim 1 to 13；And
One liquid crystal display media is incorporated on the tft layer, and be located at the optical filter and the tft layer it
Between.
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| Application Number | Priority Date | Filing Date | Title |
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| TW108100124A TWI687740B (en) | 2019-01-02 | 2019-01-02 | Thin film transistor driving circuit and liquid crystal display device |
| TW108100124 | 2019-01-02 |
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| CN110299121A true CN110299121A (en) | 2019-10-01 |
| CN110299121B CN110299121B (en) | 2022-02-15 |
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| CN113568224A (en) * | 2020-08-14 | 2021-10-29 | 友达光电股份有限公司 | Display device |
| CN113721381A (en) * | 2021-07-02 | 2021-11-30 | 深圳市华星光电半导体显示技术有限公司 | Display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI737520B (en) * | 2020-08-14 | 2021-08-21 | 友達光電股份有限公司 | Display panel |
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Also Published As
| Publication number | Publication date |
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| CN110299121B (en) | 2022-02-15 |
| TWI687740B (en) | 2020-03-11 |
| TW202026712A (en) | 2020-07-16 |
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