CN210628315U - Transparent display panel and display device - Google Patents
Transparent display panel and display device Download PDFInfo
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- CN210628315U CN210628315U CN201922281815.2U CN201922281815U CN210628315U CN 210628315 U CN210628315 U CN 210628315U CN 201922281815 U CN201922281815 U CN 201922281815U CN 210628315 U CN210628315 U CN 210628315U
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Abstract
The utility model provides a transparent display panel and display device. This transparent display panel is including the transparent display module assembly and the color filter layer that stack gradually the setting, the color filter layer sets up the light-emitting side of transparent display module assembly, wherein: the transparent display module comprises a display area and a light-transmitting area; the orthographic projection of the light-transmitting area on the color filter layer is a first area part of the color filter layer, and the first area part is a blue color resistance area. This transparent display panel sets up the printing opacity district that the color filter layer corresponds transparent display module assembly into blue colour and hinders the district, increases the transmissivity of blue light in printing opacity district, guarantees to incide to the incident light in printing opacity district when the transparent substrate that sees through transparent display module assembly, can compensate for white to solve the yellowing problem of the transparent part of prior art transparent display panel.
Description
Technical Field
The utility model belongs to the technical field of the display technology and specifically relates to indicate a transparent display panel and display device.
Background
In recent years, with the development of display technology, transparent displays have gradually entered people's lives and are widely used in mobile terminals, televisions, car displays, and wearable devices.
In the transparent display device in the prior art, the substrate is usually made of a high temperature resistant Polyimide (PI) material, and due to absorption of light in a blue waveband, a yellowing phenomenon of the substrate can be generated, and a yellowness value YI is greater than 20, so that when a user watches the transparent display device, the user can see that a transparent part is yellow by naked eyes, and the watching effect is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transparent display panel and display device for solve the yellowing problem of prior art transparent display panel's transparent part.
The utility model provides a transparent display panel, including the transparent display module assembly and the color filter layer that stack gradually the setting, the color filter layer sets up transparent display module assembly's light-emitting side, wherein:
the transparent display module comprises a display area and a light-transmitting area; the orthographic projection of the light-transmitting area on the color filter layer is a first area part of the color filter layer, and the first area part is a blue color resistance area.
Optionally, the transparent display panel, wherein the transparent display module includes a transparent substrate, and the blue light transmitted by the blue color blocking region has a spectrum that enables a yellowness index of the transparent substrate to be less than 10.
Optionally, in the transparent display panel, an orthographic projection of the display area on the color filter layer is a second area portion of the color filter layer, the second area portion includes a plurality of color resistance units, and an orthographic projection of each sub-pixel unit of the display area on the color filter layer corresponds to one color resistance unit.
Optionally, the transparent display panel, wherein the second area portion further includes a black matrix located between two adjacent color resistance units, and an orthogonal projection of the black matrix on the display area coincides with a spacing portion between the plurality of sub-pixel units.
Optionally, the transparent display panel, wherein the transparent display module further includes a routing area;
wherein, the orthographic projection of the wiring area on the color filter layer is a third area part of the color filter layer, and the third area part is a shading area.
Optionally, the transparent display panel further includes an encapsulation layer located between the transparent display module and the color filter layer.
Optionally, the transparent display panel, wherein the transparent display module includes a plurality of organic light emitting semiconductor OLED sub-pixel units, and a region where the plurality of OLED sub-pixel units are distributed is formed as the display region.
The embodiment of the utility model provides a still provide a display device, wherein, include as above arbitrary transparent display panel.
The utility model discloses among the above-mentioned technical scheme of specific embodiment at least one has following beneficial effect:
the embodiment of the utility model provides a transparent display panel utilizes the colourity principle of complementing, sets up the printing opacity district that corresponds transparent display module assembly with the colour filter layer into blue colour and hinders the district, increases blue light at the transmissivity in printing opacity district, guarantees to incide to the incident light in printing opacity district when the transparent base that sees through transparent display module assembly, can compensate for white to solve the problem of yellowing of the transparent part of prior art transparent display panel.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of a transparent display panel according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of one embodiment of a transparent display panel according to an embodiment of the present invention;
FIG. 3 is a schematic plan view of a transparent display module;
FIG. 4 is a schematic plan view of a color filter layer;
fig. 5 is a schematic spectrum diagram of a blue color-resistant region in a color filter layer.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
For the yellowing problem of the transparent part that solves prior art transparent display panel, the embodiment of the utility model provides a transparent display panel, the printing opacity district that the color filter layer corresponds transparent display module sets up to blue colour resistance district, through blue colour resistance district increase blue light at the transmissivity in printing opacity district, guarantees to incide to the incident light in printing opacity district when the transparent base that sees through transparent display module assembly, can compensate for white to can solve the yellowing problem of transparent part.
Fig. 1 is a schematic cross-sectional structure diagram of a transparent display panel according to an embodiment of the present invention. Referring to fig. 1, the embodiment of the present invention provides a transparent display panel including:
the transparent display module assembly 100 and the color filter layer 200 that set up stack gradually, color filter layer 200 sets up the light-emitting side at transparent display module assembly 100, wherein:
the transparent display module 100 includes a display area 110 and a transparent area 120; wherein, the orthographic projection of the light-transmitting area 120 on the color filter layer is a first area portion 210 of the color filter layer 200, and the first area portion 210 is a blue color-resisting area.
It should be noted that the transparent display panel according to the embodiment of the present invention has both image display and transparency. The display area 110 of the transparent display module 100 can display images, and the transparent area 120 outside the display area 110 can ensure the transparency. Of course, the display area 110 may also realize image display in a transparent state.
Because transparent display module assembly 100 includes transparent basement, adopts the preparation of high temperature resistant PI material usually, and the PI material produces high temperature and yellows owing to absorb the light of blue wave band, the embodiment of the utility model provides a transparent display panel utilizes the colourity complementary color principle, sets up the light zone that corresponds transparent display module assembly with the color filter layer into blue colour resistance district, increases the transmittance of blue light in the light zone, guarantees to incide to the incident light in light zone when the transparent basement of transparent display module assembly is seen through, can compensate for white to solve the problem of yellowing of the transparent part of prior art transparent display panel.
Further, in the embodiment of the present invention, the orthographic projection of the display area 110 on the color filter layer 200 is a second area portion 220 of the color filter layer 200, the second area portion 220 includes a plurality of color resistance units, and the orthographic projection of each sub-pixel unit of the display area 110 on the color filter layer 200 corresponds to one color resistance unit.
Alternatively, the sub-pixel units in one pixel unit of the display area 110 can emit light of at least two different colors, and each color resistance unit can transmit the same color as the corresponding sub-pixel unit. Thus, the transmittance of the color incident light of the corresponding sub-pixel unit is increased in the area of the corresponding sub-pixel unit through the color resistance unit on the color filter layer 200, and the anti-reflection effect is achieved.
Alternatively, the light emitted by each sub-pixel unit of the display region 110 may be white light, and only the light of a predetermined color can be transmitted through the color resistance units of the color filter layer 200, at least two color resistance units of the plurality of color resistance units may be formed into one unit group, and the colors of the light transmitted through the at least two color resistance units of the one unit group are different, and correspondingly, one pixel unit is formed, so that the emission of the light of different colors of the display panel can be realized through the color resistance units of the color filter layer 200.
Optionally, the transparent display module includes a plurality of Organic Light-emitting diode (OLED) sub-pixel units, and the area where the plurality of OLED sub-pixel units are distributed is formed as the display area 110.
It should be noted that the transparent display module is not limited to be only an OLED display module, as long as transparent display can be achieved.
The following will use the transparent display module forms into the OLED display module, includes a plurality of OLED sub-pixel units as an example, and the embodiment of the present invention is described with respect to the specific structure of the transparent display panel.
As shown in fig. 2, in the transparent display panel according to the embodiment of the present invention, the color filter layer 200 is disposed on the light emitting side of the transparent display module 100. The transparent display module 100 includes: a transparent substrate 101 and a display functional layer 102, wherein the transparent substrate 101 is disposed on a side of the display functional layer 102 away from the color filter layer 200.
As shown in fig. 3, the display function layer 102 includes a plurality of OLED subpixel units 1021; in one embodiment, the plurality of OLED subpixel units 1021 may be respectively configured to emit white light; in another embodiment, the plurality of OLED sub-pixel units 1021 may form a plurality of pixel units, respectively, each pixel unit includes at least two OLED sub-pixel units 1021 for emitting light of different colors, respectively, and for example, may include an R sub-pixel unit, a G sub-pixel unit, and a B sub-pixel unit, which are formed as RGB pixel units. Of course, the RGB pixel cells are not limited to the RGB pixel cells, and RGBW pixel cells and the like may be used.
It can be understood that, in the display function layer 102, the area formed around the peripheral outline of the plurality of OLED sub-pixel units 1021 constitutes the display area 110 of the transparent display module 100; the light-transmitting regions 120 are distributed in the region outside the display region 110 of the display functional layer 102; in addition, the transparent display module 100 further includes a wiring area 130 for implementing signal control input of the OLED sub-pixel unit 1021. Wherein the routing area 130 is located in an area outside the display area 110 where the functional layer 102 is displayed, as shown in fig. 2 and 3. Therefore, the transparent display module 100 includes a display area 110, a transparent area 120, and a routing area 130.
In the embodiment of the present invention, as shown in fig. 2, fig. 3 and fig. 4, the orthographic projection of the light-transmitting area 120 of the transparent display module 100 on the color filter layer 200 is the first area portion 210 of the color filter layer 200, the orthographic projection of the display area 110 on the color filter layer 200 is the second area portion 220 of the color filter layer 200, and the orthographic projection of the wire-routing area 130 on the color filter layer 200 is the third area portion 230 of the color filter layer 200.
In the embodiment of the present invention, the first area portion 210 is a blue color blocking area.
Further, the second area portion 220 includes a plurality of color-resisting units 221, and the orthographic projection of each OLED sub-pixel unit 1021 on the color filter layer 200 of the display area 110 corresponds to one color-resisting unit 221, that is, the orthographic projection of each OLED sub-pixel unit 1021 on the color filter layer 200 coincides with the corresponding color-resisting unit 221.
In one embodiment, at least two OLED sub-pixel units 1021 in the display area 110 form a pixel unit, and the color of light emitted by at least two OLED sub-pixel units 1021 in one pixel unit is different, based on this embodiment, as shown in fig. 3 and fig. 4, the color of light that can be transmitted by the color-blocking unit 221 on the color filter layer 200 is the same as the color of light emitted by the corresponding OLED sub-pixel unit 1021, so that the transmittance of color incident light of the corresponding OLED sub-pixel unit 1021 can be increased through the color-blocking unit 221.
In another embodiment, the light emitted from each OLED sub-pixel unit 1021 of the display region 110 is white light, the corresponding color resistance unit 221 can only transmit light of a predetermined color, and the emission of light of different colors of the transparent display panel can be realized through the color resistance units 221 of the color filter layer 200.
In the embodiment of the present invention, as shown in fig. 2, each OLED sub-pixel unit 1021 includes a thin film transistor 10211, an anode 10212, a light emitting functional layer 10213 and a cathode 10214, wherein the anode 10212 is connected to the thin film transistor 10211, and a driving voltage can be applied to the anode 10212 through the thin film transistor 10211, so that the light emitting functional layer 1021 emits light. It is understood that, in this embodiment, the structure of the OLED sub-pixel unit 1021 is only for illustration and not limited thereto.
In addition, as shown in fig. 2 and fig. 3, the transparent display module 100 further includes a routing area 130, which is provided with a metal routing, connected to the thin film transistor 10211, and used for inputting a control signal to the thin film transistor 10211. Wherein an orthographic projection of the routing area 130 on the color filter layer 200 is a third area portion 230 of the color filter layer 200.
In the embodiment of the present invention, as shown in fig. 3 and 4, the second area portion 220 of the color filter layer 200 further includes a black matrix 222 located between two adjacent color resistance units 221, wherein an orthographic projection of the black matrix 222 on the display area 110 coincides with the spacing portion 10215 between the plurality of OLED sub-pixel units 1021. By providing the black matrix 222 on the color filter layer 200, the problem of light leakage when light emitted from the OLED subpixel unit 1021 passes through the color filter layer 200 can be avoided.
Further, in the embodiment of the present invention, as shown in fig. 3 and fig. 4, the orthographic projection of the routing area 130 on the color filter layer 200 is a third area part 230 of the color filter layer 200, and the third area part 230 is a light shielding area to shield the routing area 130.
The embodiment of the utility model provides a transparent display panel, on color filter layer 200, it hinders the district (also be first regional part 210) to form into blue look on the first regional part 210 outside corresponding walking line district 130 and display area 110, can understand, first regional part 210 also can the printing opacity, and the light of incidenting through first regional part 210 can see through first regional part 210 and transmit the printing opacity district 120 to transparent display module assembly 100, hinders the transmission rate that the district increases blue light in the printing opacity district through blue look.
In the embodiment of the present invention, the blue light transmitted by the blue color blocking area (the first area portion 210) of the color filter layer 200 has a spectrum that can make the yellow value of the transparent substrate of the transparent display module 100 less than 10. Specifically, the blue color resistance region of the color filter layer 200 selects a low color gamut blue color resistance having a high transmittance. As shown in fig. 5, a spectrum of the blue color resistance region is shown, and a YI value of incident light passing through the blue color resistance region when the incident light passes through the transparent substrate can be calculated according to a spectrum simulation of the transparent substrate and the blue color resistance region, where the specific calculation method is as follows:
YI＝100(1.28X-1.06Z)；
wherein, X and Z are X chroma and Z chroma in the color tristimulus values (X, Y, Z) of XYZ color system respectively; the X chromaticity, the Y chromaticity, and the Z chromaticity may be respectively calculated and determined by the following formulas:
wherein the content of the first and second substances,
in the formula, λ is the wavelength of incident light passing through the blue color-resist region, and the wavelength range is 380nm to 780 nm. P (lambda) is the spectral power distribution of the incident light source, and the specific numerical value can be obtained by measuring through optical equipment;
in the embodiment of the present invention, ρ (λ) is the spectral transmittance of the combination of the transparent substrate and the blue color resistance region, and the specific data can be measured by an optical device;
Optionally, in the embodiment of the present invention, as shown in fig. 2, the transparent display panel further includes an encapsulation layer 300 located between the transparent display module 100 and the color filter layer 200, wherein the color filter layer 200 can be fabricated on the encapsulation layer 300 by using a patterning process.
The embodiment of the utility model provides a transparent display panel sets up the printing opacity district that corresponds transparent display module assembly with the color filter layer into blue look and hinders the district, hinders the district through blue look and increases blue light at the transmissivity in printing opacity district, guarantees to incide to the incident light in printing opacity district when the transparent basement that sees through transparent display module assembly, can compensate for white to can solve the problem of yellowing of transparent part.
Optionally, the transparent display panel is formed as a flexible display panel.
The present invention further provides a display device, which includes the transparent display panel according to any one of the above embodiments.
With reference to fig. 1 to 4 and the detailed description about the transparent display panel, those skilled in the art should understand the specific structure of the display device using the transparent display panel according to the embodiments of the present invention, and will not be described in detail herein.
The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides a transparent display panel, is including the transparent display module assembly and the color filter layer that stack gradually the setting, the color filter layer sets up the light-emitting side of transparent display module assembly, its characterized in that:
the transparent display module comprises a display area and a light-transmitting area; the orthographic projection of the light-transmitting area on the color filter layer is a first area part of the color filter layer, and the first area part is a blue color resistance area.
2. The transparent display panel of claim 1, wherein the transparent display module comprises a transparent substrate, and the blue light transmitted by the blue color-resistant region has a spectrum that can make the yellowness index of the transparent substrate less than 10.
3. The transparent display panel of claim 1, wherein the orthographic projection of the display area on the color filter layer is a second area portion of the color filter layer, the second area portion comprises a plurality of color resistance units, and the orthographic projection of each sub-pixel unit of the display area on the color filter layer corresponds to one color resistance unit.
4. The transparent display panel according to claim 3, wherein the second area portion further comprises a black matrix between two adjacent color-resistant units, and an orthogonal projection of the black matrix on the display area coincides with a spacing portion between a plurality of the sub-pixel units.
5. The transparent display panel according to any one of claims 1 to 4, wherein the transparent display module further comprises a wiring area;
wherein, the orthographic projection of the wiring area on the color filter layer is a third area part of the color filter layer, and the third area part is a shading area.
6. The transparent display panel of claim 1, further comprising an encapsulation layer between the transparent display module and the color filter layer.
7. The transparent display panel of claim 1, wherein the transparent display module comprises a plurality of organic light emitting semiconductor (OLED) sub-pixel units, and the distributed areas of the plurality of OLED sub-pixel units form the display area.
8. A display device characterized by comprising the transparent display panel according to any one of claims 1 to 7.
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