CN108828845A - Reflective display panel and display device - Google Patents
Reflective display panel and display device Download PDFInfo
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- CN108828845A CN108828845A CN201810670993.1A CN201810670993A CN108828845A CN 108828845 A CN108828845 A CN 108828845A CN 201810670993 A CN201810670993 A CN 201810670993A CN 108828845 A CN108828845 A CN 108828845A
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- Prior art keywords
- display panel
- substrate
- insulating layer
- reflective display
- counter substrate
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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
- G02F1/1339—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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/22—Antistatic materials or arrangements
Abstract
The invention discloses a kind of reflective display panel and display devices.Reflective display panel, including：Viewing area and frame glue area around viewing area；The array substrate and counter substrate being oppositely arranged；Reflective metal layer, reflective metal layer are located at array substrate towards the side of counter substrate；Insulating layer includes at least one groove；Frame glue area includes sealant, and sealant is provided at least one function sphere between array substrate and counter substrate, in sealant, and function sphere is located in groove in the upright projection of insulating layer；Array substrate includes the first underlay substrate, and counter substrate includes the second underlay substrate, wherein insulating layer is located at the first underlay substrate towards counter substrate side and/or is located at the second underlay substrate towards array substrate side.The present invention can be avoided peripheral region and show bad, guarantee display effect.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of reflective display panel and display device.
Background technique
With the continuous development of science and technology, more and more display devices be widely used in daily life with
And in work, huge convenience is brought for daily life and work, becomes the indispensable weight of current people
Want tool.
Display device realizes that the important component of display function is display panel, and according to the difference of the application, display panel is divided into
Infiltration type display panel, reflective display panel and half-reflection and half-transmission type display panel.Infiltration type display panel is more typical
Display panel is shown by backlight light through formation picture after liquid crystal cell outgoing；Reflective display panel needs to use ring
Border light is as light source, after light penetrates liquid crystal cell, liquid crystal cell is again passed through through reflecting layer reflection, finally from the display of display panel
Face is emitted to form display picture；Half-reflection and half-transmission type display panel energy reflected light, with backlight.
For reflective display panel, light path of the light in display panel is twice of infiltration type display panel,
In order to guarantee that display effect, the best box thickness of liquid crystal cell are the half of infiltration type display panel, the i.e. box of reflective display panel
It is thick relatively thin.And in the prior art, reflective display panel shows bad phenomenon there are viewing area periphery.
Therefore it provides a kind of reflective display panel and display device, solve viewing area periphery and show bad phenomenon, be
This field urgent problem to be solved.
Summary of the invention
In view of this, it is aobvious to solve viewing area periphery the present invention provides a kind of reflective display panel and display device
Show bad technical problem.
In a first aspect, to solve the above-mentioned problems, the present invention proposes a kind of reflective display panel, including：
Viewing area and frame glue area around viewing area；
The array substrate and counter substrate being oppositely arranged；
Reflective metal layer, reflective metal layer are located at array substrate towards the side of counter substrate；
Insulating layer, insulating layer include at least one groove；
Frame glue area includes sealant, and sealant is provided at least in sealant between array substrate and counter substrate
One function sphere, function sphere are located in groove in the upright projection of insulating layer；
Array substrate includes the first underlay substrate, and counter substrate includes the second underlay substrate, wherein insulating layer is located at first
Underlay substrate is towards counter substrate side and/or is located at the second underlay substrate towards array substrate side.
Second aspect, based on the same inventive concept, the invention also provides a kind of display device, including it is proposed by the present invention
Any one display panel.
Compared with prior art, reflective display panel and display device provided by the invention, at least realize following
Beneficial effect：
Groove is set in the insulating layer of array substrate and/or the insulating layer of counter substrate, the function sphere in sealant
It is located in groove in the upright projection of insulating layer.The setting of insulating layer further groove is so that on perpendicular to display panel direction, battle array
The spacing of column substrate and counter substrate in frame glue area is greater than the spacing in viewing area, and the present invention can guarantee perpendicular to display surface
On plate direction, the spacing in frame glue area between array substrate and counter substrate is sufficiently large, can be suitable for placing existing size
Function sphere.The present invention can guarantee in the spacing (namely box is thick) in viewing area between array substrate and counter substrate close to most
Good box is thick, guarantees display effect, meanwhile, also there are enough space setting function spheres that peripheral region is avoided to show not in frame glue area
It is good.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is reflective display panel schematic top plan view provided in an embodiment of the present invention；
Fig. 2 is a kind of optional embodiment signal of film layer structure of reflective display panel at the position tangent line A-A ' in Fig. 1
Figure；
Fig. 3 is that the film layer structure another kind optional embodiment of reflective display panel at the position tangent line A-A ' in Fig. 1 is shown
It is intended to；
Fig. 4 is that the film layer structure another kind optional embodiment of reflective display panel at the position tangent line A-A ' in Fig. 1 is shown
It is intended to；
Fig. 5 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention；
Fig. 6 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention；
Fig. 7 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention；
Fig. 8 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention；
Fig. 9 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention；
Figure 10 is a kind of optional embodiment schematic top plan view of reflective display panel provided in an embodiment of the present invention；
Figure 11 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention；
Figure 12 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention；
Figure 13 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention；
Figure 14 is display device schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
When reflective display panel realizes display, light path of the light in reflective display panel is infiltration type display panel
Twice, in order to guarantee display effect, the best box thickness of liquid crystal cell is the half of infiltration type display panel, theoretically display panel
The size of the function sphere in middle frame glue area should match with the box thickness of liquid crystal cell, wherein box thickness is array in display panel
Spacing between substrate and counter substrate.But due to the limitation of current technique, the diminution of function sphere size is restricted, and
It is serious that the appearance of display panel periphery area will lead to using inappropriate function sphere (i.e. it is thick to be greater than box for the diameter of function sphere)
Brightness irregularities phenomenon.Bad, appropriate can to increase entirety box thickness is shown in order to solve peripheral region, to guarantee frame glue area energy
The function sphere of existing size is enough set, but this kind design causes the box thickness off-target box of viewing area thick, inevitably will affect anti-
Penetrate the normal display effect of formula display panel.Based on the above issues, film layer structure of the present invention to reflective display panel frame glue area
It is designed, while guaranteeing viewing area box thickness close to best box thickness, display panel periphery area is avoided brightness disproportionation occur.
Fig. 1 is reflective display panel schematic top plan view provided in an embodiment of the present invention, and Fig. 2 is the position tangent line A-A ' in Fig. 1
A kind of optional embodiment schematic diagram of film layer structure of place's reflective display panel is set, Fig. 3 is anti-at the position tangent line A-A ' in Fig. 1
The film layer structure another kind optional embodiment schematic diagram of formula display panel is penetrated, Fig. 4 is reflective at the position tangent line A-A ' in Fig. 1
The film layer structure another kind optional embodiment schematic diagram of display panel.
As shown in Figure 1, reflective display panel, including viewing area AA and around the frame glue area KA of viewing area AA.
As shown in Figure 2, Figure 3 and Figure 4, display panel includes the array substrate 101 and counter substrate 102 being oppositely arranged；?
It is also provided with layer of liquid crystal molecule between array substrate 101 and counter substrate 102, passes through liquid crystal molecule in layer of liquid crystal molecule
The control to the penetrance of light is realized in deflection.Reflective metal layer 103, reflective metal layer 103 are located at array substrate 101 towards right
Set the side of substrate 102, wherein reflective metal layer 103 can be only located at viewing area AA, or can also be in viewing area AA and frame
Glue area KA is respectively provided with reflective metal layer 103；Insulating layer 104, insulating layer 104 include at least one groove C；Frame glue area KA includes envelope
Frame glue 105, sealant 105 are provided at least one function between array substrate 101 and counter substrate 102 in sealant 105
Can sphere Q, function sphere Q is located in groove C in the upright projection of insulating layer 104.Array substrate 101 includes the first underlay substrate
1011, counter substrate 102 includes the second underlay substrate 1021, wherein insulating layer 104 is located at the first underlay substrate 1011 towards right
It sets 102 side of substrate and/or is located at the second underlay substrate 1021 towards 101 side of array substrate.Wherein, it is shown in Fig. 2 absolutely
Edge layer 104 is located at the case where array substrate 101, and Fig. 3 shows the case where insulating layer 104 is located at counter substrate 102, and Fig. 4 is shown
The case where in array substrate 101 and counter substrate 102 being provided with insulating layer 104.
Reflective display panel provided in an embodiment of the present invention, array substrate insulating layer and/or counter substrate it is exhausted
Groove is set in edge layer, and the function sphere in sealant is located in groove in the upright projection of insulating layer.Insulating layer further groove
So that on perpendicular to display panel direction, the spacing of array substrate and counter substrate in frame glue area is greater than in viewing area for setting
Spacing, the present invention can guarantee on perpendicular to display panel direction, in frame glue area between array substrate and counter substrate between
Away from sufficiently large, it can be suitable for placing the function sphere of existing size.The present invention can guarantee in viewing area array substrate and
Spacing (namely box is thick) between counter substrate is thick close to best box, guarantees display effect, meanwhile, also have in frame glue area enough
Space setting function sphere to avoid peripheral region from showing bad.
In some alternative embodiments, Fig. 5 is the another kind of reflective display panel provided in an embodiment of the present invention
Optional embodiment schematic diagram.It is only illustrated so that insulating layer is located at array substrate as an example, as shown in figure 5, sealant 105 is exhausted
The upright projection of edge layer 104 is located in groove C.When display panel makes, function sphere is mixed into sealant first, is then existed
Sealant is applied in array substrate, and counter substrate and array substrate are bonded.The embodiment can guarantee in production display panel
When, the function sphere in sealant is located in groove in the upright projection of insulating layer, and function sphere is fallen into when avoiding applying sealant
Outside groove, and it is bad to cause peripheral region to show.
In some alternative embodiments, where perpendicular to insulating layer on the direction of plane, the height of groove is less than
Or the thickness equal to insulating layer.Fig. 2, Fig. 3 and Fig. 4 are the schematic tables of thickness progress for being less than insulating layer with the height of groove
Show, production groove is etched to insulating layer, the bottom of groove is still insulating layer.Optionally, the height of groove can also be equal to exhausted
The thickness of edge layer is only illustrated so that insulating layer is located at array substrate as an example.Fig. 6 is provided in an embodiment of the present invention reflective aobvious
Show another optional embodiment schematic diagram of panel.As shown in fig. 6, in the direction perpendicular to 104 place plane of insulating layer,
The height of groove C is equal to the thickness of insulating layer 104, namely when forming groove C to the etching of insulating layer 104, in groove location of C
Insulating layer 104 is all etched away.Height in frame glue area, insulating layer further groove is bigger, then perpendicular to display panel direction
On, the gap of the spacing and the spacing in viewing area of array substrate and counter substrate in frame glue area is bigger, then is arranged in frame glue area
The freedom degree of function sphere size is bigger.It in practice, can be according to the specific size of product design and function sphere to insulating layer
Etch thicknesses are selected, and guarantee to have the function of suitable spacing between array substrate and counter substrate in frame glue area to be arranged
Sphere.
In some alternative embodiments, Fig. 7 is the another kind of reflective display panel provided in an embodiment of the present invention
Optional embodiment schematic diagram.As shown in fig. 7, array substrate 101 towards a side surface of counter substrate 102 be first surface
M1, counter substrate 102 towards a side surface of array substrate 101 be second surface M2；It is put down perpendicular to where array substrate 101
On the direction in face：Maximum spacing of the first surface M1 and second surface M2 in the AA of viewing area is D1, first surface M1 and second
Maximum spacing of the surface M2 in frame glue area KA is D2, wherein D2:D1≥1.5.It should be noted that array substrate 101 is aobvious
Show that area AA and film layer structure in frame glue area KA can be same or different, so film layer belonging to first surface M1 can also phase
It is same or different；The second surface M2 of counter substrate 102 can also be identical in viewing area AA and the film layer belonging to frame glue area KA
Or it is different.Fig. 7 is only illustrated so that insulating layer 104 is located at array substrate 101 as an example.It, can be by right in the embodiment
The insulating layer in frame glue area carries out groove design in array substrate and/or counter substrate, realizes between first surface and second surface
Maximum space D 2 and space D 1 maximum in viewing area are in certain proportion relationship in frame glue area, can be guaranteed in viewing area
The best box that box thickness (spacing between array substrate and counter substrate) is shown close to reflective display panel is thick, while guaranteeing in frame
The function sphere that existing size can be arranged in glue area between first surface and second surface guarantees the display effect on viewing area periphery
Fruit.
Optionally, with continued reference to shown in Fig. 7, D2-D1 >=1.3 μm, D2 >=3 μm.In the prior art, reflective display panel
The best box of plate thick (spacing in viewing area between array substrate and counter substrate) is about 1.7 μm, the functional ball routinely used
The diameter dimension of body is about 3 μm, in the reflective display panel which provides, by array substrate and/or opposed
Insulating layer does groove design in substrate, guarantee in frame glue area between first surface and second surface in glue frame area maximum spacing
More than or equal to 3 μm, guarantees that the box thickness in frame glue area can match with the function sphere of existing size, avoid viewing area periphery
It shows bad.
In some alternative embodiments, in reflective display panel provided by the invention, function sphere includes Si ball
One or more of with Au ball.Wherein, when function sphere includes Si ball, Si ball hardness is larger, in array substrate and opposed
Fine supporting role can be played between substrate, guarantee mechanical stability after array substrate and counter substrate bonding；Function sphere
When including Au ball, Au ball is had conductivity, can be also used for while playing a supporting role array substrate and counter substrate it
Between electrical connection between circuit trace or component.It can be selected in practice according to type of the design requirement to function sphere
It selects.
Fig. 8 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention.Such as Fig. 8
Shown, in some alternative embodiments, function sphere includes Au ball Q1；Reflective display panel further includes public electrode
106, public electrode 106 is located at counter substrate 102 towards the side of array substrate 101；Public electrode 106 and Au ball Q1 is electrically connected
It connects.It is only indicated so that insulating layer 104 is located at array substrate 101 as an example in Fig. 8, optionally, in the embodiment, insulating layer
104 can also be located at counter substrate 102, or all setting has reeded insulation in array substrate 101 and counter substrate 102
Layer.In the embodiment, public electrode 106 is electrically connected with Au ball Q1, during reflective display panel display, passes through Au ball
Q1 is passed through common voltage to public electrode 106, in this way in the AA of viewing area, shape between pixel electrode 1012 and public electrode 106
At electric field, controls liquid crystal molecule F and deflect, realize the control to light transmittance.
As shown in figure 8, array substrate 101 may include multiple thin film transistor (TFT) T, thin film transistor (TFT) T include active layer T1,
Grid T2, source electrode T3 and the T4 that drains, the thin film transistor (TFT) illustrated in Fig. 8 are top gate structure, optionally, film in the present invention
Transistor may be bottom grating structure.Pixel electrode 1012 is electrically connected with the pole leakage T4 of thin film transistor (TFT).In reflective display panel
In plate, display panel itself is not provided with light source, and extraneous environment light S penetrates the counter substrate 102 and liquid crystal molecule F of display panel
After be irradiated to reflective metal layer 103, light source of the 103 reflection environment light S of reflective metal layer as display panel.Environment through reflection
After light S penetrates liquid crystal molecule F and counter substrate 102 again, it is emitted from the display surface side of reflective display panel, to realize
The display function of display panel.
Fig. 9 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention.Such as Fig. 9
Shown, in some alternative embodiments, function sphere includes Au ball Q1；Reflective display panel further includes electrostatic screen layer
107, electrostatic screen layer 107 is located at counter substrate 102 towards the side of array substrate 101；Electrostatic screen layer is electrically connected with Au ball Q1
It connects, Au ball Q1 is electrically connected with fixed current potential.It is only indicated so that insulating layer 104 is located at array substrate as an example in Fig. 9, optionally,
Insulating layer 104 can also be located at counter substrate 102, or all setting has groove in array substrate 101 and counter substrate 102
Insulating layer 104.In the embodiment, electrostatic screen floor is connected to fixed current potential, optionally, Au by the Au ball in frame glue area
Ball is connected to earthing potential.The setting of electrostatic screen layer can be realized the shielding to external electrical field while can play electrostatic protection
Effect guarantees that circuit trace and component be not by external electrical field or electrostatic interference when reflective display panel is normally shown.
Optionally, Figure 10 is that a kind of optional embodiment vertical view of reflective display panel provided in an embodiment of the present invention is shown
It is intended to.As shown in Figure 10, in viewing area AA, electrostatic screen layer 107 is fenestral fabric, and electrostatic screen layer 107 uses metal material
Material production, the mesh shape of electrostatic screen layer 107 is corresponding with black matrix (being not shown in Figure 10) in counter substrate, that is, is hanging down
Directly on display panel direction, in the AA of viewing area, the orthographic projection of the layer where black matrix of electrostatic screen layer 107 is located at black matrix
Interior, which can guarantee that electrostatic screen layer plays shielding action, while the electrostatic being arranged to external electrical field or electrostatic
Shielded layer does not influence the aperture opening ratio of display panel.Optionally, electrostatic screen in reflective display panel provided by the invention
Layer or a flood, electrostatic screen layer are made of transparent conductive material, such as can be indium tin oxide.
In some alternative embodiments, in the reflective display panel provided in the embodiment of the present invention, insulating layer
Material includes epoxy resin or acryl resin.Epoxy resin or acryl resin are good photoactive materials, anti-
When penetrating the production of formula display panel, either array substrate or counter substrate make groove in a insulating layer, require using light
The manufacturing process of etching makes, and insulating layer material selects photoactive material in the present invention, is conducive to the work using mature photoengraving
Skill makes groove, simple for process.
In a kind of optional embodiment, insulating layer is located at array substrate, and insulating layer can be flat in array substrate
Smoothization layer.Figure 11 is another optional embodiment schematic diagram of reflective display panel provided in an embodiment of the present invention.Such as figure
Shown in 11, array substrate includes multiple thin film transistor (TFT) T；Array substrate includes：First underlay substrate 1011；The first metal layer
1013 are located on the first underlay substrate 1011, and the grid T2 (1013) of thin film transistor (TFT) is located at the first metal layer 1013；Second
Metal layer 1014 is located at the first metal layer 1013 far from 1011 side of the first underlay substrate, the source electrode T3 of thin film transistor (TFT) and leakage
Pole T4 is located at second metal layer 1014, is additionally provided with insulating film layer between the first metal layer 1013 and second metal layer 1014；
First insulating layer 1015 is located at second metal layer 1014 far from 1013 side of the first metal layer；Insulating layer 104 is located at first absolutely
For edge layer 1015 far from 1014 side of second metal layer, insulating layer 104 is planarization layer, and insulating layer 104 has groove C, functional ball
Body Q is located in groove C in the upright projection of insulating layer 104.Optionally, array substrate 101 further includes separate positioned at insulating layer 104
The pixel electrode layer 1012 of first insulating layer, 1015 side.The embodiment is recessed by being arranged in the planarization layer of array substrate
Slot is now perpendicular in fact on display panel direction, and the spacing of array substrate and counter substrate in frame glue area is greater than in viewing area
Spacing is located in groove in the upright projection of planarization layer in frame glue area function sphere, guarantees there are enough skies in frame glue area
Between be arranged function sphere, can be avoided peripheral region show it is bad.
In a kind of optional embodiment, insulating layer is located at counter substrate, and counter substrate is color membrane substrates, and insulating layer can
To be the planarization layer in counter substrate.Figure 12 is the optional reality of another kind of reflective display panel provided in an embodiment of the present invention
Apply schematic diagram.As shown in figure 12, counter substrate 102 includes for color membrane substrates：Second underlay substrate 1021；Black matrix 1022
Positioned at the second underlay substrate 1021 close to 101 side of array substrate；Color blocking layer 1023 is located at black matrix 1022 close to array substrate
101 sides；Wherein, viewing area AA is divided into multiple open regions for mesh shape by black matrix 1022, and open region is pixel light emission
Region, color blocking layer is located in open region, and the color blocking in color blocking layer may include red resistance, blue resistance, green resistance and white
Color blocking.Insulating layer 104 is located at color blocking layer 1023 far from 1022 side of black matrix, and insulating layer 104 is planarization layer, insulating layer 104
With groove C, function sphere Q is located in groove C in the upright projection of insulating layer 104.The embodiment passes through in counter substrate
Planarization layer in groove is set, be now perpendicular on display panel direction in fact, array substrate and counter substrate are in frame glue area
Spacing is greater than the spacing in viewing area, is located in groove in frame glue area function sphere in the upright projection of planarization layer, guarantees
Have enough space setting function spheres in frame glue area, can be avoided peripheral region show it is bad.
In a kind of optional embodiment, Figure 13 is the another kind of reflective display panel provided in an embodiment of the present invention
Optional embodiment schematic diagram.As shown in figure 13, array substrate 101 includes multiple thin film transistor (TFT) T；Array substrate 101 includes
First underlay substrate 1011；The first metal layer 1013 is located on the first underlay substrate 1011, the grid of thin film transistor (TFT) T2
In the first metal layer 1013；Second metal layer 1014 is thin positioned at the first metal layer 1013 far from 1011 side of the first underlay substrate
The source electrode T3 of film transistor and drain electrode T4 are located at second metal layer 1014, the first metal layer 1013 and second metal layer 1014 it
Between be additionally provided with insulating film layer, do not showed that in figure.First insulating layer 1015 is located at second metal layer 1014 far from the first metal
1013 side of layer；Third metal layer 1016 is located at the first insulating layer 1015 far from 1014 side of second metal layer, and is located at display
Area AA；Second insulating layer 1017 is located at third metal layer 1016 far from 1015 side of the first insulating layer；First in frame glue area KA
The sum of insulating layer 1015 and the thickness of second insulating layer 1017 are less than the first insulating layer and 1015 second insulating layers in the AA of viewing area
The sum of 1017 thickness.It include third metal layer 1016 in array substrate in the embodiment, third metal layer is located at viewing area
AA is capable of forming capacitor between third metal layer 1016 and second metal layer 1014, to increase storage capacitance.The embodiment
In in frame glue area KA, second insulating layer is etched away, while the first insulating layer of etch away sections, to be formed in frame glue area KA recessed
Slot C is now perpendicular in fact on display panel direction, and the spacing of array substrate and counter substrate in frame glue area is greater than in viewing area
Spacing guarantees to have enough space setting function spheres that peripheral region is avoided to show in frame glue area bad.
Based on the same inventive concept, the present invention also provides a kind of display device, Figure 14 is provided in an embodiment of the present invention
Display device schematic diagram.As shown in figure 14, the reflective display panel 100 provided including any embodiment of that present invention.The present invention
The display device that embodiment provides can be any electronic product having a display function.
Through the foregoing embodiment it is found that reflective display panel provided by the invention and display device, at least realize as
Under beneficial effect：
Groove is set in the insulating layer of array substrate and/or the insulating layer of counter substrate, the function sphere in sealant
It is located in groove in the upright projection of insulating layer.The setting of insulating layer further groove is so that on perpendicular to display panel direction, battle array
The spacing of column substrate and counter substrate in frame glue area is greater than the spacing in viewing area, and the present invention can guarantee perpendicular to display surface
On plate direction, the spacing in frame glue area between array substrate and counter substrate is sufficiently large, can be suitable for placing existing size
Function sphere.The present invention can guarantee in the spacing (namely box is thick) in viewing area between array substrate and counter substrate close to most
Good box is thick, guarantees display effect, meanwhile, also there are enough space setting function spheres that peripheral region is avoided to show not in frame glue area
It is good.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of reflective display panel, which is characterized in that including：
Viewing area and frame glue area around the viewing area；
The array substrate and counter substrate being oppositely arranged；
Reflective metal layer, the reflective metal layer are located at the array substrate towards the side of the counter substrate；
Insulating layer, the insulating layer include at least one groove；
The frame glue area includes sealant, and the sealant is between the array substrate and the counter substrate, the envelope
At least one function sphere is provided in frame glue, the function sphere is located at the groove in the upright projection of the insulating layer
It is interior；
The array substrate includes the first underlay substrate, and the counter substrate includes the second underlay substrate, wherein the insulating layer
Towards the counter substrate side and/or it is located at second underlay substrate towards the array positioned at first underlay substrate
Substrate side.
2. reflective display panel according to claim 1, which is characterized in that
Where perpendicular to the insulating layer on the direction of plane, the height of the groove is less than or equal to the insulating layer
Thickness.
3. reflective display panel according to claim 1, which is characterized in that
The array substrate is first surface towards a side surface of the counter substrate, and the counter substrate is towards the array
One side surface of substrate is second surface；
Where perpendicular to the array substrate on the direction of plane：
The maximum spacing of the first surface and the second surface in the display area is D1, the first surface and described
Maximum spacing of the second surface in the frame glue area is D2, wherein D2:D1≥1.5.
4. reflective display panel according to claim 3, which is characterized in that D2-D1 >=1.3 μm, D2 >=3 μm.
5. reflective display panel according to claim 1, which is characterized in that the function sphere includes Si ball and Au ball
One or more of.
6. reflective display panel according to claim 5, which is characterized in that the function sphere includes Au ball；
The reflective display panel further includes public electrode, and the public electrode is located at the counter substrate towards the array
The side of substrate；
The public electrode is electrically connected with the Au ball.
7. reflective display panel according to claim 5, which is characterized in that the function sphere includes Au ball；
The reflective display panel further includes electrostatic screen layer, and the electrostatic screen layer is located at the counter substrate described in
The side of array substrate；
The electrostatic screen layer is electrically connected with the Au ball, and the Au ball is electrically connected with fixed current potential.
8. reflective display panel according to claim 1, which is characterized in that the material of the insulating layer includes asphalt mixtures modified by epoxy resin
Rouge or acryl resin.
9. reflective display panel according to claim 1, which is characterized in that the sealant is hung down the insulating layer
Shadow is delivered directly to be located in the groove.
10. a kind of display device, which is characterized in that including the described in any item reflective display panels of claim 1 to 9.
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| CN201810670993.1A CN108828845A (en) | 2018-06-26 | 2018-06-26 | Reflective display panel and display device |
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| WO2021000431A1 (en) * | 2019-07-03 | 2021-01-07 | 武汉华星光电技术有限公司 | Display panel and display device |
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