CN106383424A - Reflective display device - Google Patents
Reflective display device Download PDFInfo
- Publication number
- CN106383424A CN106383424A CN201510464234.6A CN201510464234A CN106383424A CN 106383424 A CN106383424 A CN 106383424A CN 201510464234 A CN201510464234 A CN 201510464234A CN 106383424 A CN106383424 A CN 106383424A
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- Prior art keywords
- color blocking
- layer
- display
- opening
- reflective display
- Prior art date
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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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/166—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect
- G02F1/167—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 translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
-
- 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
Abstract
The invention discloses a reflective display device comprising an electrophoresis display module, a viscose glue layer and a color filter layer; the viscose glue layer is arranged on the electrophoresis display module; the color filter layer is arranged on the viscose glue layer; the viscose glue layer is arranged between the electrophoresis display module and the color filter layer; the color filter layer comprises at least one color resistor having at least one opening, thus allowing light to pass. By using said structure, the reflective display device can improve the reflectivity and brightness.
Description
Technical field
The present invention relates to a kind of reflective display.
Background technology
In the nowadays market of various consumption electronic products, extensively application electrophoretic display apparatus are made
For display screens.The display dielectric layer of electrophoretic display apparatus is mainly by electrophoresis liquid and mixes in electrophoresis liquid
White, black particles are constituted.By applying a voltage to display dielectric layer, can drive white, black
Colored particle moves, so that each pixel shows black, white or GTG respectively.Due to electrophoretic display apparatus
It is to form reflection light using incident ray irradiation display dielectric layer, to reach the purpose of display, therefore
It is not required to backlight, power consumption can be saved.Incident ray can be sunlight or indoor environment light.
Additionally, the electrophoretic display apparatus with colour display functions are one layer of coloured silks of attaching on display dielectric layer
Color filtering optical layer (color filter array；CFA).When light turnover chromatic filter layer, can be by colorized optical filtering
The color blocking (color resist) of layer filters the light of specific wavelength.For example, light is through red color
After resistance, the color of light also can be converted to redness.However, when incident ray enters color electrophoresis display dress
The color blocking of chromatic filter layer when putting, can be passed through.Then incident ray can be shown dielectric layer and reflect to form instead
Penetrate light, reflection light can pass through the color blocking of chromatic filter layer to outside display device.Consequently, it is possible to light
Light loss twice can be subject to through chromatic filter layer twice (once entering light, once go out light), make colour
The brightness of electrophoretic display apparatus and reflectance reduction, and reflectance is about 12.
In general, for the light loss reducing color electric phoretic display device, replaceable newly developed showing
Show dielectric layer to lift brightness, but possible degree of stability is not good, and the cost of manufacture can be increased.Or,
The color blocking concentration of the chromatic filter layer reflectance to lift electrophoretic display apparatus can be reduced, but color can be caused
Saturation reduces.
Content of the invention
It is an object of the invention to provide a kind of reflective display, its make the reflectance of display device with
Brightness all can be lifted.
One technical examples of the present invention are a kind of reflective display.
According to an embodiment of the present invention, a kind of reflective display, its comprise electrophoresis display module,
Adhesive-layer and chromatic filter layer.Adhesive-layer is located on electrophoresis display module.Chromatic filter layer is located at adhesive-layer
On, and adhesive-layer is positioned between electrophoresis display module and chromatic filter layer.Chromatic filter layer comprises at least one
Individual color blocking.Color blocking has at least one opening, with passing through for light.
In an embodiment of the present invention, being shaped as of the opening of above-mentioned color blocking be square, circular or polygon.
In an embodiment of the present invention, the width of the opening of above-mentioned color blocking is between 10 microns to 25 microns.
In an embodiment of the present invention, when multiple incident raies enter color blocking opening and by electrophoresis showed
After module reflection, form multiple reflection lights, and reflection light passes around a region of opening in color blocking.
In an embodiment of the present invention, above-mentioned opening is located at the center in region.
In an embodiment of the present invention, the width of above-mentioned zone is between 70 microns to 85 microns.
In an embodiment of the present invention, the color of above-mentioned color blocking is red, green, blue or yellow.
In an embodiment of the present invention, above-mentioned electrophoresis display module comprise display dielectric layer, protective layer with
Array base palte.Protective layer is located between display dielectric layer and adhesive-layer.Display dielectric layer is located at array base palte
And protective layer between.
In an embodiment of the present invention, above-mentioned array base palte has at least one membrane transistor, and color
Resistance is least partially overlapped with membrane transistor in the orthographic projection of array base palte.
In an embodiment of the present invention, the material of above-mentioned protective layer comprises polyethylene terephthalate,
And the thickness of protective layer is between 20 microns to 30 microns.
In an embodiment of the present invention, above-mentioned chromatic filter layer also comprises at least one clear area.Blank
Area is adjacent to the edge of color blocking.
In an embodiment of the present invention, the thickness of above-mentioned adhesive-layer is between 60 microns to 80 microns.
In an embodiment of the present invention, the described color blocking that the quantity of above-mentioned color blocking is multiple and partial is each
There is opening.
In the above-mentioned embodiment of the present invention, because the color blocking of chromatic filter layer has opening, therefore from color
The incident ray that resistance opening enters does not have light loss.This incident ray is reflected by electrophoresis display module
Afterwards, can form reflection light passes through color blocking to have color.As long as that is, entering from color blocking opening
Enter the incident ray of reflective display, the light quantity of its reflection light only can be subject to through a color blocking
Loss.Additionally, after color blocking near opening for the incident ray enters reflective display, incident illumination
Line has color and has light loss.After this incident ray is reflected by electrophoresis display module, can be formed
Reflection light through color blocking opening.As long as that is, projecting reflective display dress from color blocking opening
The reflection light put, its light quantity also only can be lost by through a color blocking.Therefore, the present invention's is anti-
Penetrate the reflectance of formula display device and brightness all can be lifted.
Brief description
Fig. 1 illustrates the vertical view of the chromatic filter layer of reflective display according to an embodiment of the present invention
Figure.
Fig. 2 illustrates the profile of the reflective display of Fig. 1 along line segment 2-2.
Fig. 3 illustrates the enlarged drawing of the color blocking of Fig. 1.
Fig. 4 illustrates the top view of color blocking according to an embodiment of the present invention.
Fig. 5 illustrates the top view of color blocking according to an embodiment of the present invention.
Fig. 6 illustrates the top view of color blocking according to an embodiment of the present invention.
Fig. 7 illustrates the top view of color blocking according to an embodiment of the present invention.
Fig. 8 illustrates the top view of color blocking according to an embodiment of the present invention.
Specific embodiment
Below by with multiple embodiments of the open present invention of schema, as clearly stated, many practices
On details will be explained in the following description.It should be appreciated, however, that the details in these practices is not
Application is to limit the present invention.That is, in some embodiments of the present invention, thin in these practices
Section is non-essential.Additionally, for the sake of simplifying schema, some know usual structure with element in schema
Middle will be illustrated in the way of simple signal.
Fig. 1 illustrates the chromatic filter layer 110 of reflective display 100 according to an embodiment of the present invention
Top view.Fig. 2 illustrates the profile of the reflective display 100 of Fig. 1 along line segment 2-2.Join simultaneously
Read Fig. 1 and Fig. 2, reflective display 100 comprises chromatic filter layer 110, electrophoresis display module 120
With adhesive-layer 130.Adhesive-layer 130 is located on electrophoresis display module 120.Chromatic filter layer 110 is located at viscous
On glue-line 130, and adhesive-layer 130 is located between electrophoresis display module 120 and chromatic filter layer 110.
Chromatic filter layer 110 comprises color blocking 112,114,116.In the present embodiment, color blocking 112 is redness,
Color blocking 114 is green, and color blocking 116 is blueness, but is not limited thereto, such as chromatic filter layer 110
Also the color blocking of yellow can be comprised.Additionally, each color blocking 112,114,116 has at least one opening 113,
It is available for light to pass through.In the present embodiment, color blocking 112,114,116 is respectively provided with four openings 113, but
The quantity of opening 113 is not in order to limit the present invention.In other embodiments, can part color blocking tool
There is opening 113, and partial color blocking does not have opening 113, for example, the color blocking 114 in Fig. 1 lower right corner
May be designed to the green color blocking typically not having opening 113, depending on designer's demand.
Electrophoresis display module 120 comprises display dielectric layer 122, protective layer 124 and array base palte 126.Protect
Sheath 124 is located between display dielectric layer 122 and adhesive-layer 130, and display dielectric layer 122 is located at battle array
Between row substrate 126 and protective layer 124.Display dielectric layer 122 can be used to reflection light.Chat following
In stating, by as a example the light turnover color blocking 112 using Fig. 2, as explanation, actual glazed thread also can Advancing color
Resistance 114 or color blocking 116.
After incident ray L1 passes through color blocking 112 to enter reflective display 100, incident ray L1
Dielectric layer 122 can be shown reflect and form reflection light L2, L2a.Reflection light L2, L2a can be worn
Cross color blocking 112 and go out light.Light quantity due to reflection light L2, L2a can be subject to through color blocking 112 twice
Loss, and the light quantity through a color blocking 112 will lose about 70%, therefore reflection light L2, L2a
Brightness low.Known to reflective display only can have reflection light L2, L2a of this type.
However, the color blocking 112 of the chromatic filter layer 110 of the present invention has opening 113, therefore from color blocking 112
The incident ray L3 that opening 113 enters does not have light loss.This incident ray L3 is by electrophoresis showed
After display dielectric layer 122 reflection of module 120, reflection light L4, L4a can be formed and pass through color blocking 112
And there is color (for example red).As long as that is, entering reflective aobvious from color blocking 112 opening 113
The incident ray L3 of showing device 100, the light quantity of its reflection light L4, L4a only can be subject to through a color
The loss of resistance 112.
Additionally, when color blocking 112 near opening 113 for the incident ray L5 enters reflective display 100
Afterwards, incident ray L5 has color (for example red) and has light loss.This incident ray L5 is electric
After display dielectric layer 122 reflection of swimming display module 120, can be formed through color blocking 112 opening 113
Reflection light L6a.As long as that is, projecting reflective display from color blocking 112 opening 113
100 reflection light L6a, its light quantity also only can be subject to losing through a color blocking 112.
Therefore, the brightness of reflection light L4, L4a in Fig. 2 and reflection light L6a is all higher than reflected light
The brightness of line L2, L2a is so that the reflectance of reflective display 100 of the present invention and brightness
Lifting, for example reflectance can be promoted to 13～15.
In the present embodiment, there is angle theta, example between each incident ray and corresponding reflection light
As between incident ray L1 and reflection light L2, between incident ray L3 and reflection light L4 with incidence
It is respectively provided with about 15 degree of angle theta between light L5 and reflection light L6a.Additionally, in chromatic filter layer
110 surface, has between each incident ray and corresponding reflection light apart from D, for example incident ray
Between L1 and reflection light L2, between incident ray L3 and reflection light L4 with incident ray L5 with anti-
Penetrate be respectively provided between light L6a about 30 microns apart from D.
In the present embodiment, chromatic filter layer 110 also comprises at least one clear area 118.Clear area 118
The edge of color blocking 112,116 can be adjacent to.When light enters reflective display 100 from clear area 118
Afterwards, can be reflected by the display dielectric layer 122 of electrophoresis display module 120, reflection light can be from clear area 118
Go out light.Due to light pass in and out chromatic filter layer 110 clear area 118 and do not pass through coloured color blocking 112,
114th, 116, therefore clear area 118 can be used to show the image of GTG, black or white.
Additionally, array base palte 126 has at least one membrane transistor 127, and color blocking 112 is in array base
The orthographic projection of plate 126 is least partially overlapped with membrane transistor 127.Such design, array base palte 126
Controllable display dielectric layer 122 reflects or is not reflected into the light of color blocking 112, for display picture
Change has been benefited.
In the present embodiment, the material of protective layer 124 comprises polyethylene terephthalate
(polyethylene terephthalate；PET), and protective layer 124 thickness H1 between 20 microns to 30
Micron.Between 60 microns to 80 microns, it can be optical clear resin to the thickness H2 of adhesive-layer 130
(optical clear resin；OCR).
Fig. 3 illustrates the enlarged drawing of the color blocking 112 of Fig. 1.Refer to Fig. 2 and Fig. 3, the opening of color blocking 112 simultaneously
Being shaped as of mouth 113 is square, but in other embodiments, the shape of opening 113 can also be circle
Or polygon.The width W1 of the opening 113 of color blocking 112 can be between 10 microns to 25 microns.Work as incidence
Light L3 enters the opening 113 of color blocking 112 and anti-by the display dielectric layer 122 of electrophoresis display module 120
After penetrating, reflection light L4, L4a can be formed, and reflection light L4, L4a can be in color blocking 112 around holding
The region A of mouth 113 passes.Opening 113 is located at the center of region A.Due in chromatic filter layer
110 surface, has apart from D (example between incident ray L3 and reflection light L4 (or reflection light L4a)
As 30 microns), and opening 113 has width W1, the therefore width W2 of region A can be micro- between 70
Rice is to 85 microns.
In the present embodiment, the reflection light (comprising in opening 113) in the A of region, its light quantity is all only subject to
To the loss through a color blocking 112, and the reflection light outside the A of region, its light quantity is all by through two
The loss of secondary color blocking 112.Therefore, the brightness in the A of region can be higher than the brightness outside the A of region.Additionally,
Because the reflection light in the A of region is just through a color blocking 112, the color Hui compare area in therefore region A
Color outside the A of domain is light.Designer can according to actual demand arrange opening 113 color blocking 112,114,116 (see
Quantity Fig. 1) and position, to obtain equilibrium point in the brightness of reflective display 100 and color depth.
It will be understood that the element material having described be will not be repeated again with element annexation repeating.With
In lower narration, explanation had the color blocking of other opening arrays modes.
Fig. 4 illustrates the top view of color blocking 112a according to an embodiment of the present invention.With Fig. 3 embodiment
Different places is：Color blocking 112a has five openings 113, and wherein one opening 113 is located at color blocking 112a
Center.Because the quantity of the color blocking 112 than Fig. 3 for opening 113 quantity of color blocking 112a is many, because
The brightness that this records in color blocking 112a and reflectance can be respectively higher than the brightness that the color blocking 112 in Fig. 3 records
With reflectance.
Fig. 5 illustrates the top view of color blocking according to an embodiment of the present invention.Different from Fig. 4 embodiment
Place be：Color blocking 112b has six openings 113, and wherein three openings 113 are in line, and another three open
Mouth 113 lines up another row, and the opening 113 of this two row is parallel to each other.Opening 113 due to color blocking 112b
The quantity of color blocking 112a than Fig. 4 for the quantity is many, and the brightness therefore recording in color blocking 112b can divide with reflectance
The brightness that Gao Yu not record in color blocking 112a of Fig. 4 and reflectance.
Fig. 6 illustrates the top view of color blocking 112c according to an embodiment of the present invention.With Fig. 5 embodiment
Different places is：Color blocking 112c has seven openings 113, and wherein one opening 113 is located at color blocking 112c
Center.Because the quantity of color blocking 112b than Fig. 5 for opening 113 quantity of color blocking 112c is many, because
The brightness that this records in color blocking 112c and reflectance can be respectively higher than the brightness that color blocking 112b in Fig. 5 records
With reflectance.
Fig. 7 illustrates the top view of color blocking 112d according to an embodiment of the present invention.With Fig. 6 embodiment
Different places is：Color blocking 112d has eight openings 113, and wherein one opening 113 is located at color blocking 112d
Between two openings 113 of lower section.Color blocking 112c than Fig. 6 for opening 113 quantity due to color blocking 112d
Quantity many, the brightness and the reflectance that therefore record in color blocking 112d can be respectively higher than the color blocking in Fig. 6
Brightness and reflectance that 112c records.
Fig. 8 illustrates the top view of color blocking 112e according to an embodiment of the present invention.With Fig. 7 embodiment
Different places is：Color blocking 112e has nine openings 113, and wherein one opening 113 is located at color blocking 112e
Between two openings 113 of top, it is nine grids arrangement.Because opening 113 quantity of color blocking 112e is than figure
The quantity of 7 color blocking 112d is many, and the brightness therefore recording in color blocking 112e can be respectively higher than with reflectance
Brightness and reflectance that color blocking 112d of Fig. 7 records.
Although the present invention is open as above with embodiment, so it is not limited to the present invention, any
Those skilled in the art, without departing from the spirit and scope of the present invention, when can make various change with retouching,
Therefore protection scope of the present invention is worked as and is defined depending on as defined in claim.
Claims (13)
1. a kind of reflective display is it is characterised in that described reflective display comprises：
Electrophoresis display module；
Adhesive-layer, it is located on described electrophoresis display module；And
Chromatic filter layer, it is located on described adhesive-layer, and described adhesive-layer is located at described electrophoresis showed mould
Between block and described chromatic filter layer, described chromatic filter layer comprises：
At least one color blocking, and described color blocking has at least one opening, with passing through for light.
2. reflective display as claimed in claim 1 is it is characterised in that the shape of described opening
For square, circular or polygon.
3. reflective display as claimed in claim 1 is it is characterised in that the width of described opening
Between 10 microns to 25 microns.
4. reflective display as claimed in claim 1 is it is characterised in that work as multiple incident raies
Enter described opening and after being reflected by described electrophoresis display module, form multiple reflection lights, and described anti-
Penetrate light to pass around a region of described opening in described color blocking.
5. reflective display as claimed in claim 4 is it is characterised in that described opening is located at institute
State the center in region.
6. reflective display as claimed in claim 4 is it is characterised in that the width in described region
Between 70 microns to 85 microns.
7. reflective display as claimed in claim 1 is it is characterised in that the color of described color blocking
For red, green, blue or yellow.
8. reflective display as claimed in claim 1 is it is characterised in that described electrophoresis showed mould
Block comprises：
Display dielectric layer；
Protective layer, it is located between described display dielectric layer and described adhesive-layer；And
Array base palte, described display dielectric layer is located between described array base palte and described protective layer.
9. reflective display as claimed in claim 8 is it is characterised in that described array base palte has
There is at least one membrane transistor, and described color blocking is in the orthographic projection of described array base palte and described thin-film electro
Crystal is least partially overlapped.
10. reflective display as claimed in claim 8 is it is characterised in that the material of described protective layer
Matter comprises polyethylene terephthalate, and the thickness of described protective layer is between 20 microns to 30 microns.
11. reflective displays as claimed in claim 1 are it is characterised in that described chromatic filter layer
Also comprise：
At least one clear area, is adjacent to the edge of described color blocking.
12. reflective displays as claimed in claim 1 are it is characterised in that the thickness of described adhesive-layer
Degree is between 60 microns to 80 microns.
13. reflective displays as claimed in claim 1 are it is characterised in that the quantity of described color blocking
For multiple and partial described color blockings, respectively there is described opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464234.6A CN106383424A (en) | 2015-07-31 | 2015-07-31 | Reflective display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510464234.6A CN106383424A (en) | 2015-07-31 | 2015-07-31 | Reflective display device |
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| Publication Number | Publication Date |
|---|---|
| CN106383424A true CN106383424A (en) | 2017-02-08 |
Family
ID=57916167
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510464234.6A Pending CN106383424A (en) | 2015-07-31 | 2015-07-31 | Reflective display device |
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| CN112415805A (en) * | 2020-11-27 | 2021-02-26 | 厦门天马微电子有限公司 | Color film substrate, display panel and display device |
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| CN112415805A (en) * | 2020-11-27 | 2021-02-26 | 厦门天马微电子有限公司 | Color film substrate, display panel and display device |
| CN112415805B (en) * | 2020-11-27 | 2022-10-28 | 厦门天马微电子有限公司 | Color film substrate, display panel and display device |
| CN113782575A (en) * | 2021-09-10 | 2021-12-10 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| CN113782575B (en) * | 2021-09-10 | 2023-05-09 | 武汉华星光电半导体显示技术有限公司 | Display panel |
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