CN106501982A - Compound liquid crystal indicator - Google Patents
Compound liquid crystal indicator Download PDFInfo
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- CN106501982A CN106501982A CN201611145197.3A CN201611145197A CN106501982A CN 106501982 A CN106501982 A CN 106501982A CN 201611145197 A CN201611145197 A CN 201611145197A CN 106501982 A CN106501982 A CN 106501982A
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- crystal indicator
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 99
- 150000001875 compounds Chemical class 0.000 title claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 118
- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- 239000011159 matrix material Substances 0.000 claims abstract description 28
- 239000007769 metal material Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 121
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 230000000007 visual effect Effects 0.000 claims description 9
- 239000011229 interlayer Substances 0.000 claims 1
- 230000005684 electric field Effects 0.000 description 10
- 239000010409 thin film Substances 0.000 description 9
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 210000002858 crystal cell Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005685 electric field effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical class [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000001127 nanoimprint lithography Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 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
- G02F1/13338—Input devices, e.g. touch panels
-
- 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
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G02F1/133528—Polarisers
- G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Human Computer Interaction (AREA)
Abstract
The present invention provides a kind of compound liquid crystal indicator, the second substrate being oppositely arranged including first substrate and the first substrate and the liquid crystal layer between the first substrate and the second substrate, the first polaroid, color blocking layer, black matrix and viewing angle control electrode is provided with the inside of the first substrate, the outside or inner side of the first substrate is provided with touch-control circuit layer, between the touch-control circuit layer and the viewing angle control electrode, first polaroid is made up of metal material for the position of first polaroid.The compound liquid crystal indicator is attached with touch-control and view angle switch function simultaneously, it is not necessary to which the extra box that increases is thick, and can reduce interference of the view angle switch signal to touch-control, makes touch-control sensitiveer.
Description
Technical field
The present invention relates to the technical field of liquid crystal display, more particularly to a kind of compound liquid crystal indicator.
Background technology
Liquid crystal indicator (liquid crystal display, LCD) has good image quality, small volume, lightweight, low drive
The relatively low advantage of dynamic voltage, low-power consumption, radiationless and manufacturing cost, occupies an leading position in flat display field.Liquid crystal
Showing device includes the colored filter substrate being oppositely arranged and thin-film transistor array base-plate and sandwiched liquid therebetween
Crystal layer.
Liquid crystal indicator gradually develops towards wide viewing angle direction now, such as using in-plane-switching mode (IPS) or edge
The liquid crystal indicator of field switch pattern (FFS) can realize wider visual angle.However, today's society people increasingly focus on
The privacy of oneself is protected, there are are a lot of things and is not liked to take out and share with people.In public, always wish that oneself is seeing the mobile phone
Or content is secrecy when browsing computer.Therefore, the display of single visual angle pattern can not meet user's
Demand.In addition to the demand of wide viewing angle, under the occasion for needing peep-proof, it is also desirable to display device can be switched or be adjusted
Arrive narrow viewing angle pattern.
In order to realize the width view angle switch of liquid crystal indicator, it is using colored filter substrate side to have a kind of mode
Viewing angle control electrode give liquid crystal molecule apply a vertical electric field, to realize narrow viewing angle pattern.Please join Fig. 1 to Fig. 2, wherein one
Planting liquid crystal indicator includes first substrate 11, second substrate 12 and the liquid crystal between first substrate 11 and second substrate 12
Layer 13, first substrate 11 be colored filter substrate, second substrate 12 be thin-film transistor array base-plate, the liquid crystal indicator
There are the multiple sub-pixels (sub-pixel) in array distribution, such as R, G, B sub-pixel.The outside of first substrate 11 is provided with first
Polaroid 111, the inner side of first substrate 11 are provided with color blocking layer 112, black matrix (BM) 113, viewing angle control electrode 114 and flatness layer
115；The outside of second substrate 12 is provided with the second polaroid 121, and the inner side of second substrate 12 is provided with pixel-driving circuit 120, should
Pixel-driving circuit 120 for example include for drive the thin film transistor (TFT) (TFT) of the plurality of sub-pixel, scan line, data wire, as
The structure such as plain electrode and public electrode.
As shown in figure 1, when needing wide viewing angle to show, the viewing angle control electrode 114 of first substrate 11 applies and common electrical
Pole identical voltage, it is zero to make the potential difference between the public electrode of viewing angle control electrode 114 and second substrate 12, liquid crystal display
Device realizes that wide viewing angle shows under the face internal electric field between pixel electrode and public electrode.
As shown in Fig. 2 when needing narrow viewing angle to show, the viewing angle control electrode 114 of first substrate 11 applies and common electrical
, there is certain potential difference between the public electrode for making viewing angle control electrode 114 and second substrate 12, now in extremely different voltage
A vertical direction electric field (as shown in arrow E in figure) is produced between first substrate 11 and second substrate 12, in liquid crystal layer 13
Face internal electric field of the liquid crystal molecule between pixel electrode and public electrode under while horizontally rotate, can be because vertical direction electricity
And tilts, liquid crystal molecule generation light leak and reduce the contrast of liquid crystal indicator, finally realize that narrow viewing angle shows.
Touch screen is developed so far and is widely used in personal computer, smart phone, public information, intelligent appliance, industry control
The various fields such as system.In current touch-control field, mainly have resistance type touch control screen, photo-electric touch screen, ultrasonic type touch screen,
Flat capacitance type touch screen, also exceptionally hanging, built-in etc. according to position distribution.
The touch-control of display screen is substantially external hanging type at present, and this is accomplished by outside display device, additionally prepares a touch-control box,
Touch-control box 116 is set in the outside of first substrate 11 for example, touch-control box 116 is specifically provided in the appearance of the first polaroid 111
On face, as shown in Figure 1.
As the touch-control box 116 currently used for touch controllable function is generally external hanging type, need individually to fit on liquid crystal cell, meeting
Increase box thick, and in liquid crystal cell, put on the view angle switch signal on viewing angle control electrode 114 and can disturb touch-control, be allowed to ineffective
Quick.
Content of the invention
It is an object of the invention to provide a kind of compound liquid crystal indicator, which is attached with touch-control and view angle switch work(
Can, it is not necessary to which the extra box that increases is thick, and can reduce interference of the view angle switch signal to touch-control, makes touch-control sensitiveer.
The present invention provides a kind of compound liquid crystal indicator, is oppositely arranged including first substrate and the first substrate
Second substrate and the liquid crystal layer between the first substrate and the second substrate, are provided with first on the inside of the first substrate inclined
Mating plate, color blocking layer, black matrix and viewing angle control electrode, the outside or inner side of the first substrate are provided with touch-control circuit layer, and this first
Between the touch-control circuit layer and the viewing angle control electrode, first polaroid is made up of metal material for the position of polaroid.
Further, the touch-control circuit layer is arranged on the outside of the first substrate, first polaroid be arranged on this first
On the inner surface of substrate, the color blocking layer and the black matrix are arranged on first polaroid, and the viewing angle control electrode is arranged on
In the color blocking layer and the black matrix.
Further, the touch-control circuit layer directly makes and is formed on the outer surface of the first substrate.
Further, the touch-control circuit layer is arranged on the inner surface of the first substrate, and the liquid crystal indicator is also wrapped
Dielectric spacer layer is included, the dielectric spacer layer is arranged on the touch-control circuit layer, and first polaroid is arranged on the dielectric spacer layer
On, the color blocking layer and the black matrix are arranged on first polaroid, and the viewing angle control electrode is arranged on the color blocking layer and this is black
On matrix.
Further, the touch-control circuit layer is arranged on the inner surface of the first substrate, the color blocking layer and the black matrix
It is arranged on the touch-control circuit layer, first polaroid is arranged in the color blocking layer and the black matrix, and the liquid crystal indicator is also wrapped
Dielectric spacer layer is included, the dielectric spacer layer is arranged on first polaroid, and the viewing angle control electrode is arranged on the insulation gap
On layer.
Further, the touch-control circuit layer directly makes and is formed on the inner surface of the first substrate.
Further, the liquid crystal indicator further comprises flatness layer, and the flatness layer is covered in the viewing angle control electricity
Extremely go up.
Further, the flatness layer is provided with contact hole in non-display area, filling conducting resinl, the second substrate in the contact hole
On be connected with driving chip, the driving chip is electrically connected with the viewing angle control electrode by the conducting resinl.
Further, the outside or inner side of the second substrate is provided with the second polaroid.
Further, the second substrate is provided with public electrode and pixel electrode.
The compound liquid crystal indicator that the present invention is provided, touch-control circuit layer can directly make and be formed in first substrate
On outer surface or inner surface, i.e., first substrate as touch-control circuit layer bearing substrate, so compared to traditional
Touch-control circuit is first made on bearing substrate forms touch-control box, for touch-control box is fitted in the outside of first substrate again then, can
To omit the thickness of a substrate, box is greatly reduced thick.And, the first polaroid is arranged on inside first substrate, first
Polaroid is made up of metal material, and the position of the first polaroid is between touch-control circuit layer and viewing angle control electrode, built-in
The metallic character of the first polaroid can shield the view angle switch signal being applied on viewing angle control electrode to touching signals
Interference, makes touch-control unaffected, effectively increases the sensitivity of touch-control, make liquid crystal indicator while being attached with touch-control and visual angle
Handoff functionality.
Description of the drawings
Fig. 1 is schematic cross-section of the one of which liquid crystal indicator in wide viewing angle.
Fig. 2 is schematic cross-section of the liquid crystal indicator in narrow viewing angle in Fig. 1.
Fig. 3 is schematic cross-section of the liquid crystal indicator in wide viewing angle in first embodiment of the invention.
Fig. 4 is schematic cross-section of the liquid crystal indicator in narrow viewing angle in Fig. 3.
Fig. 5 is the circuit diagram of the second substrate of liquid crystal indicator in Fig. 3.
Fig. 6 is the schematic cross-section of liquid crystal indicator in second embodiment of the invention.
Fig. 7 is the schematic cross-section of liquid crystal indicator in third embodiment of the invention.
Specific embodiment
For further illustrating the present invention for reaching technical approach and effect that predetermined goal of the invention is taken, below in conjunction with
Drawings and Examples, to the specific embodiment of the present invention, structure, feature and its effect, describe in detail as after.
In accompanying drawing, for clarity, the size and relative size in layer and region can be exaggerated.It should be appreciated that when unit
Part such as layer, region or substrate be referred to as " being formed in " or " being arranged on " another element " on " when, the element directly can be arranged
On another element, or can also there is intermediary element.Conversely, when element is referred to as " being formed directly into " or " direct
Be arranged on " on another element when, there is no intermediary element.
[first embodiment]
Fig. 3 is schematic cross-section of the liquid crystal indicator in wide viewing angle in first embodiment of the invention, and Fig. 4 is in Fig. 3
Schematic cross-section of the liquid crystal indicator in narrow viewing angle, please join Fig. 3 to Fig. 4, the liquid crystal indicator 20 that the present embodiment is provided
The second substrate 22 that is oppositely arranged including first substrate 21 and first substrate 21 and be located at first substrate 21 and second substrate 22 it
Between liquid crystal layer 23.Wherein, first substrate 21 is colored filter substrate, and second substrate 22 is thin-film transistor array base-plate.
Liquid crystal indicator 20 be using horizontal component of electric field plane inner switching type (In-Plane Switching, IPS) or
Liquid crystal indicator using the fringe field switch type (Fringe Field Switching, FFS) of fringe field.For
IPS types or the liquid crystal indicator of FFS types, same for driving the public electrode and pixel electrode of liquid crystal molecule deflection to be provided in
On one substrate (i.e. thin-film transistor array base-plate), liquid crystal molecule is rotated in the plane almost parallel with substrate, so as to obtain
Wider array of visual angle.In the present embodiment, the liquid crystal indicator 20 is illustrated by taking fringe field switch type (FFS) as an example.
The inner side (i.e. towards the side of liquid crystal layer 23) of first substrate 21 is provided with the first polaroid 211, color blocking layer 212, black
Matrix (BM) 213, viewing angle control electrode 214 and flatness layer 215.First polaroid 211 is arranged on the inner side table of first substrate 21
On face, the first polaroid 211 is made up of metal material, and the first polaroid 211 specifically using wire grating technique or can be received
Rice impressing lithographic techniques are formed.Color blocking layer 212 and black matrix 213 stagger and arrange and be arranged on the first polaroid 211, color blocking layer
212 for example include red (R), green (G), the color blocking material of blue (B) three color, to form R, G, B sub-pixel respectively.Viewing angle control electrode
214 are arranged in color blocking layer 212 and black matrix 213, i.e., by color blocking layer between the first polaroid 211 and viewing angle control electrode 214
212 and black matrix 213 separate.Flatness layer 215 is covered on viewing angle control electrode 214, i.e. flatness layer 215 near liquid crystal layer 23,
For planarizing the surface near liquid crystal layer 23.
The outside side of liquid crystal layer 23 (i.e. dorsad) of first substrate 21 is provided with touch-control circuit layer 216, in the present embodiment, touches
The direct making of control circuit layer 216 is formed on the outer surface of first substrate 21, i.e., directly first substrate 21 as touch-control electricity
The bearing substrate of road floor 216, so forms touch-control box, Ran Houzai compared to traditional touch-control circuit that first makes on bearing substrate
For touch-control box is fitted in the outside of first substrate 21, it is convenient to omit the thickness of a substrate, box is greatly reduced thick.
And, the first polaroid 211 is arranged on inside first substrate 21, and the first polaroid 211 is made up of metal material, and
The position of the first polaroid 211 between touch-control circuit layer 216 and viewing angle control electrode 214, the first built-in polaroid 211
Metallic character can shield interference of the view angle switch signal being applied on viewing angle control electrode 214 to touching signals, make to touch
Control is unaffected, effectively increases the sensitivity of touch-control.
Touch-control circuit layer 216 can adopt single or multiple lift metal grill or transparency electrode to design.For example, touch-control circuit layer
216 can specifically include that touch-control driving electrodes and touch-control sensing electrode, touch-control driving electrodes and touch-control sensing electrode can be by more
The electrode block concatenation of individual rhombus is formed, and generally arranges bridging structure in the staggered place of touch-control driving electrodes and touch-control sensing electrode
Guarantee insulated from each other between touch-control driving electrodes and touch-control sensing electrode and the conducting in respective direction Top electrode block, this is
Those skilled in the art know.
In the present embodiment, the outside of second substrate 22 side of liquid crystal layer 23 (i.e. dorsad) is provided with the second polaroid 221.The
Two polaroids 221 are mutually perpendicular to the printing opacity direction of principal axis (not shown) of the first polaroid 211.The material of the second polaroid 221 is not
Limit, can be made up of metal or non-metallic material.
Fig. 5 is the circuit diagram of the second substrate of liquid crystal indicator in Fig. 3, incorporated by reference to Fig. 5, second substrate 22 interior
Side (i.e. towards the side of liquid crystal layer 23) is provided with scan line 222, the 224, first insulating barrier of data wire 223, thin film transistor (TFT) (TFT)
225th, public electrode 226 (common electrode), 228 (pixel of the second insulating barrier 227 and pixel electrode
electrode).It should be appreciated that only illustrating on first substrate 21 and second substrate 22 in the present embodiment related to the present invention
Film layer structure, is omitted to incoherent film layer structure.
Formed in battle array as shown in figure 5, being intersected by multi-strip scanning line 222 and a plurality of data lines 223 on second substrate 22 and being limited
Multiple sub-pixels (sub-pixel) of row arrangement.Sub-pixel for example, red (R), green (G) or blue (B) sub-pixel are multiple adjacent
Sub-pixel constitutes a display pixel (pixel), and such as one display pixel may include red (R), green (G) and blue (B) three sons
Pixel.Pixel electrode 228 and thin film transistor (TFT) (TFT) 224 is provided with each sub-pixel, and thin film transistor (TFT) 224 is located at scan line
222 with 223 crossover location of data wire near.Each thin film transistor (TFT) 224 includes grid, source electrode and drain electrode (figure is not marked), wherein
Grid electrically connects corresponding scan line 222, and source electrode electrically connects corresponding data wire 223, the corresponding pixel electrode of drain electrode electrical connection
228.
In the present embodiment, pixel electrode 228 is located above public electrode 226, i.e., pixel electrode 228 is compared to public electrode
226 closer to liquid crystal layer 23, is provided with the second insulating barrier 227, but not limited to this between pixel electrode 228 and public electrode 226.?
In other embodiment, the position of pixel electrode 228 and public electrode 226 is interchangeable, i.e., pixel electrode 228 can also be located at public
Below electrode 226.In addition, when the liquid crystal indicator adopts plane inner switching type (IPS) pattern, public electrode 226 and picture
Plain electrode 228 is may be located in same layer, and now public electrode 226 and pixel electrode 228 can be respectively prepared with multiple electricity
The structure of pole bar and it is mutually inserted cooperation.
In the present embodiment, viewing angle control electrode 214, public electrode 226 can adopt ITO (indium oxides with pixel electrode 228
Tin), the electrically conducting transparent material such as IZO (indium zinc oxide) makes.
In other embodiments, the second polaroid 221 can also be arranged on the inner side of second substrate 22, i.e. the second polaroid
221 are arranged on inside second substrate 22.
In the present embodiment, the liquid crystal molecule in liquid crystal layer 23 is positivity liquid crystal molecule, and it is fast that positivity liquid crystal molecule possesses response
Advantage.Positivity liquid crystal point under original state (i.e. display device 20 does not apply the situation of any voltage), in liquid crystal layer 23
Son assumes parallel with substrate 21,22 attitude that lies low, and the surface of the long axis direction of positivity liquid crystal molecule and substrate 21,22 is put down substantially
Row is (such as Fig. 3).
Viewing angle control electrode 214 carries out view angle switch for controlling the liquid crystal indicator 20.As shown in Figure 3 and Figure 4, lead to
Applied voltage on viewing angle control electrode 214 is crossed, and voltage can be produced between viewing angle control electrode 214 and public electrode 226
Difference (is biased), the liquid crystal indicator 20 is switched between wide viewing angle pattern and narrow viewing angle pattern.
Please join Fig. 3, when not being biased between viewing angle control electrode 214 and public electrode 226, in liquid crystal layer 23
The angle of inclination of liquid crystal molecule hardly changes, and is still the attitude that lies low, and liquid crystal molecule is traditional face internal electric field driving side
Formula, by the face internal electric field formed between the pixel electrode 228 and public electrode 226 being located on same substrate (i.e. second substrate 22)
Liquid crystal molecule is driven to rotate with 21,22 parallel plane of substrate, liquid crystal molecule is realized under stronger face internal electric field effect
Wide viewing angle pattern.
Please join Fig. 4, when certain bias is applied between viewing angle control electrode 214 and public electrode 226, can be in two bases
Vertical electric field (as shown in arrow E in figure) is formed between plate 21,22, as positivity liquid crystal molecule will be along flat under electric field action
Row is rotated in the direction of electric field line, and positivity liquid crystal molecule will deflect under the vertical electric field effect, make liquid crystal molecule and base
Angle of inclination increase between plate 21,22.As liquid crystal molecule there occurs deflection so that in the screen of the liquid crystal indicator 20
On stravismus direction, the light through liquid crystal molecule occurs in that light leak due to phase delay and the mismatch of upper down polaroid 211,221
Phenomenon, when causing to watch screen from the stravismus direction of the liquid crystal indicator 20, the contrast on screen reduces and affects to see
Effect is seen, reduces visual angle, so as to realize narrow viewing angle pattern.
Further, flatness layer 215 is provided with contact hole 215a in non-display area, makes viewing angle control electrode 214 by contact
Hole 215a exposes.Contact hole 215a can be formed in flatness layer 215 by one optical cover process.Filling in contact hole 215a
Conducting resinl 31.Driving chip 32 is connected with second substrate 22, and driving chip 32 is by conducting resinl 31 and viewing angle control electrode 214
Electrical connection, the voltage signal on viewing angle control electrode 214 can be provided by driving chip 32, and driving chip 32 first provides voltage letter
Number to second substrate 22, then the viewing angle control that voltage signal is applied to by conducting resinl 31 first substrate 21 by second substrate 22
On electrode 214, the switching at the width visual angle of the liquid crystal indicator 20 is realized.
Specifically, driving chip 32 can take COG (chip on glass) binding mode to be directly bound in second substrate
On 22, as shown in Figure 3；In other embodiment, driving chip 32 can also take the binding mode of COF (chip on film),
I.e. driving chip 32 is first bundled on FPC (FPC), is bundled on second substrate 22 again by FPC.
The liquid crystal indicator 20 that the present embodiment is provided, is attached with touch-control and view angle switch function, thus is a kind of compound
Type liquid crystal indicator.
[second embodiment]
Fig. 6 is the schematic cross-section of liquid crystal indicator in second embodiment of the invention, please join Fig. 6, the present embodiment with upper
Differring primarily in that for first embodiment is stated, in the present embodiment, the inner side (i.e. towards the side of liquid crystal layer 23) of first substrate 21
It is provided with touch-control circuit layer 216, dielectric spacer layer 217, the first polaroid 211, color blocking layer 212, black matrix (BM) 213, visual angle controls
Electrode processed 214 and flatness layer 215.
Touch-control circuit layer 216 is arranged on the inner surface of first substrate 21.Dielectric spacer layer 217 is arranged on touch-control circuit
On layer 216.First polaroid 211 is arranged on dielectric spacer layer 217, i.e., between touch-control circuit layer 216 and the first polaroid 211
Separated by dielectric spacer layer 217.First polaroid 211 is made up of metal material, and the first polaroid 211 can specifically use metal
Wiregrating technique or nano-imprint lithography technology are formed.Color blocking layer 212 and black matrix 213 stagger and arrange and be arranged on the first polarisation
On piece 211.Viewing angle control electrode 214 is arranged in color blocking layer 212 and black matrix 213, i.e. the first polaroid 211 and viewing angle control
Separated by color blocking layer 212 and black matrix 213 between electrode 214.Flatness layer 215 is covered on viewing angle control electrode 214.
Touch-control circuit layer 216 can adopt single or multiple lift metal grill or transparency electrode to design.In the present embodiment, touch-control
The direct making of circuit layer 216 is formed on the inner surface of first substrate 21, i.e., directly assign first substrate 21 as touch-control circuit
The bearing substrate of layer 216, so forms touch-control box compared to traditional touch-control circuit that first makes on bearing substrate, then again will
For touch-control box fits in the outside of first substrate 21, it is convenient to omit the thickness of a substrate, box is greatly reduced thick.
And, the first polaroid 211 is arranged on inside first substrate 21, and the first polaroid 211 is made up of metal material, and
The position of the first polaroid 211 between touch-control circuit layer 216 and viewing angle control electrode 214, the first built-in polaroid 211
Metallic character can shield interference of the view angle switch signal being applied on viewing angle control electrode 214 to touching signals, make to touch
Control is unaffected, effectively increases the sensitivity of touch-control.
[3rd embodiment]
Fig. 7 is the schematic cross-section of liquid crystal indicator in third embodiment of the invention, please join Fig. 7, the present embodiment with upper
State differring primarily in that for second embodiment, in the present embodiment, dielectric spacer layer 217 and color blocking layer 212 and black matrix 213 suitable
Sequence is exchanged, i.e., touch-control circuit layer 216 is arranged on the inner surface of first substrate 21, and for example touch-control circuit layer 216 is straight
Connect making to be formed on the inner surface of first substrate 21.Color blocking layer 212 and black matrix 213 stagger and arrange and be arranged on touch-control electricity
On road floor 216.First polaroid 211 is arranged in color blocking layer 212 and black matrix 213, i.e. touch-control circuit layer 216 and the first polarisation
Separated by color blocking layer 212 and black matrix 213 between piece 211.Dielectric spacer layer 217 is arranged on the first polaroid 211.Control at visual angle
Electrode processed 214 is arranged on dielectric spacer layer 217, i.e., by insulation gap between the first polaroid 211 and viewing angle control electrode 214
Layer 217 separates.Flatness layer 215 is covered on viewing angle control electrode 214.
The above, is only presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any is familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being without departing from technical solution of the present invention content, according to the technical spirit pair of the present invention
Any simple modification, equivalent variations and modification that above example is made, still fall within the range of technical solution of the present invention.
Claims (10)
1. a kind of compound liquid crystal indicator (20), it is oppositely arranged including first substrate (21) and the first substrate (21)
Second substrate (22) and the liquid crystal layer (23) being located between the first substrate (21) and the second substrate (22), its feature exist
In being provided with the first polaroid (211), color blocking layer (212), black matrix (213) and viewing angle control on the inside of the first substrate (21)
Electrode (214), the outside or inner side of the first substrate (21) are provided with touch-control circuit layer (216), the position of first polaroid (211)
Put between the touch-control circuit layer (216) and the viewing angle control electrode (214), first polaroid (211) is by metal material
Make.
2. according to claim 1 to compound liquid crystal indicator (20), it is characterised in that the touch-control circuit layer (216)
The outside of the first substrate (21) is arranged on, first polaroid (211) is arranged on the inner surface of the first substrate (21),
The color blocking layer (212) and the black matrix (213) are arranged on first polaroid (211), and the viewing angle control electrode (214) is arranged
In the color blocking layer (212) and the black matrix (213).
3. according to claim 2 to compound liquid crystal indicator (20), it is characterised in that the touch-control circuit layer (216)
Directly make and be formed on the outer surface of the first substrate (21).
4. according to claim 1 to compound liquid crystal indicator (20), it is characterised in that the touch-control circuit layer (216)
It is arranged on the inner surface of the first substrate (21), the liquid crystal indicator (20) also includes dielectric spacer layer (217), and this is exhausted
Intermarginal interlayer (217) are arranged on the touch-control circuit layer (216), and first polaroid (211) is arranged on the dielectric spacer layer
(217), on, the color blocking layer (212) and the black matrix (213) are arranged on first polaroid (211), the viewing angle control electrode
(214) it is arranged in the color blocking layer (212) and the black matrix (213).
5. according to claim 1 to compound liquid crystal indicator (20), it is characterised in that the touch-control circuit layer (216)
It is arranged on the inner surface of the first substrate (21), the color blocking layer (212) and the black matrix (213) are arranged on the touch-control circuit
On layer (216), first polaroid (211) is arranged in the color blocking layer (212) and the black matrix (213), the liquid crystal indicator
(20) also include that dielectric spacer layer (217), the dielectric spacer layer (217) are arranged on first polaroid (211), the visual angle control
Electrode (214) processed are arranged on the dielectric spacer layer (217).
6. the compound liquid crystal indicator (20) according to claim 4 or 5, it is characterised in that the touch-control circuit layer
(216) directly make and be formed on the inner surface of the first substrate (21).
7. according to claim 1 to compound liquid crystal indicator (20), it is characterised in that the liquid crystal indicator (20)
Flatness layer (215) is further comprised, the flatness layer (215) is covered on the viewing angle control electrode (214).
8. according to claim 7 to compound liquid crystal indicator (20), it is characterised in that the flatness layer (215) is non-
Viewing area is provided with filling conducting resinl (31) in contact hole (215a), the contact hole (215a), and the second substrate is connected with (22)
Driving chip (32), the driving chip (32) are electrically connected with the viewing angle control electrode (214) by the conducting resinl (31).
9. according to claim 1 to compound liquid crystal indicator (20), it is characterised in that outside the second substrate (22)
Side or inner side are provided with the second polaroid (221).
10. according to claim 1 to compound liquid crystal indicator (20), it is characterised in that on the second substrate (22)
It is provided with public electrode (226) and pixel electrode (228).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145197.3A CN106501982A (en) | 2016-12-13 | 2016-12-13 | Compound liquid crystal indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145197.3A CN106501982A (en) | 2016-12-13 | 2016-12-13 | Compound liquid crystal indicator |
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| Publication Number | Publication Date |
|---|---|
| CN106501982A true CN106501982A (en) | 2017-03-15 |
Family
ID=58330890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611145197.3A Pending CN106501982A (en) | 2016-12-13 | 2016-12-13 | Compound liquid crystal indicator |
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| CN107678203A (en) * | 2017-11-08 | 2018-02-09 | 昆山龙腾光电有限公司 | Color membrane substrates and preparation method thereof and liquid crystal display panel |
| CN107797341A (en) * | 2017-11-08 | 2018-03-13 | 昆山龙腾光电有限公司 | Color membrane substrates and preparation method thereof and liquid crystal display panel |
| CN107995959A (en) * | 2017-05-24 | 2018-05-04 | 昆山龙腾光电有限公司 | Visual angle changeable touch-control display panel and touch control display apparatus |
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| CN108681122B (en) * | 2018-05-16 | 2020-11-06 | 深圳市华星光电技术有限公司 | In-plane switching display panel and display device |
| CN109671743B (en) * | 2018-12-06 | 2020-11-06 | 武汉华星光电半导体显示技术有限公司 | Display device and electronic device with under-screen fingerprint identification function |
| CN109671743A (en) * | 2018-12-06 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | With the display device and electronic device for shielding lower fingerprint identification function |
| CN110673366A (en) * | 2019-09-17 | 2020-01-10 | 昆山龙腾光电股份有限公司 | Display panel and display device |
| CN111029396A (en) * | 2019-12-26 | 2020-04-17 | 维沃移动通信有限公司 | Display module and electronic equipment |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Applicant after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Applicant before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |
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