CN210376876U - High-brightness full-color TV wetting display device - Google Patents
High-brightness full-color TV wetting display device Download PDFInfo
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- CN210376876U CN210376876U CN201921443399.5U CN201921443399U CN210376876U CN 210376876 U CN210376876 U CN 210376876U CN 201921443399 U CN201921443399 U CN 201921443399U CN 210376876 U CN210376876 U CN 210376876U
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- 238000009736 wetting Methods 0.000 title claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000002310 reflectometry Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 47
- 239000012530 fluid Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003075 superhydrophobic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high-brightness full-color TV wetting display device, which comprises a first transparent conductive substrate, a fluorescent reflection layer, a hydrophobic insulating layer, an electrowetting display layer and a second transparent conductive substrate which are sequentially stacked; the electrowetting display layer comprises a plurality of pixel units, and the pixel units are arranged in an array. The utility model discloses the wetting display device of full-color TV of hi-lite absorbs the incident light through the fluorescence reflection stratum and arouses the energy level transition of electron, and then the conversion launches the light that corresponds the colour that its corresponding region regulated and control to realize the hi-lite of electrowetting display device, the whole luminance of display device is high with the color saturation, can solve current full-color electrowetting display device and lead to the not good problem of display effect because of holistic reflectivity is low.
Description
Technical Field
The utility model relates to an electrowetting shows technical field, concretely relates to full-color TV of hi-lite wets display device.
Background
The electrowetting display technology is a new display technology in recent years and has the characteristics of low power consumption, high contrast, quick response time and wide temperature range. The principle of electrowetting display utilizes an external electric field to control the surface tension or contact angle of polar liquid in a pixel, so as to push ink to spread and contract, and realize a novel reflective display technology of optical switching and gray scale control.
The current electrowetting display technology has made a great progress, and intensive research is conducted at home and abroad to achieve the purpose of color display, but the problem of low reflectivity is still not completely overcome. Specifically, in the current electrowetting technology, a color filter is mainly added in a single-layer structure to achieve the purpose of color display, the single-layer structure needs to use RGB color filters, and light is absorbed by a part of light when passing through the filter, which may result in a low display effect.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a full-color TV of hi-lite wets display device can solve current full-color electrowetting display and lead to the not good problem of display effect because of holistic reflection inefficiency.
The utility model adopts the technical proposal that: a high-brightness full-color TV wetting display device comprises a first light-transmitting conductive substrate, a fluorescent reflection layer, a hydrophobic insulation layer, an electrowetting display layer and a second light-transmitting conductive substrate which are sequentially stacked; the electrowetting display layer comprises a plurality of pixel units, and the pixel units are arranged in an array.
According to an embodiment of the present invention, the fluorescent reflecting layer is used for absorbing incident light and generating light reflection of a specific color by energy level transition of electrons.
According to an embodiment of the present invention, the fluorescent reflecting layer includes a red reflecting layer, a green reflecting layer and a blue reflecting layer; the red light emitting layer, the green light reflecting layer and the blue light reflecting layer are respectively arranged corresponding to the three adjacent pixel units.
According to the utility model discloses a specific embodiment, first printing opacity conductive substrate includes transparent substrate and locates transparent substrate orientation the transparent electrode layer on the surface of second printing opacity conductive substrate.
According to a specific embodiment of the present invention, the material of the transparent upper electrode layer is a TFT.
According to the utility model discloses a specific embodiment, second printing opacity conductive substrate includes transparent substrate and locates transparent substrate orientation first printing opacity conductive substrate's the transparent electrode layer on the surface.
According to the utility model discloses a specific embodiment, the material of transparent bottom electrode layer is ITO.
According to the utility model discloses a specific embodiment, the moist display device of full-color TV of hi-lite still includes power control module, power control module electric connection first printing opacity conductive substrate with second printing opacity conductive substrate is used for control first printing opacity conductive substrate with voltage between the second printing opacity conductive substrate.
The utility model has the beneficial technical effects that: the utility model provides a full-color TV of hi-lite wets display device, its setting through the fluorescence reflection stratum, need not add extra light filter, can directly arouse the energy level transition of electron to the absorption of incident light through the fluorescence reflection stratum, and then the conversion launches the light of the corresponding colour that its corresponding region regulated and control, with the hi-lite that realizes the electrowetting display device, make display device bulk brightness and color saturation height, thereby can solve current full-color electrowetting display device and lead to the not good problem of display effect because of holistic reflectivity is low.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic top view of a high-brightness full-color electrowetting display device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a vertical cross-sectional structure of the high-brightness full-color electrowetting display device shown in FIG. 1 when no voltage is applied;
fig. 3 is a schematic diagram of the operation of the high brightness full color electrowetting display device of fig. 1 when powered;
fig. 4 is a schematic diagram of the RGB primary color mixing used in the high brightness full color electrowetting display device of fig. 1.
Detailed Description
The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The description of the invention as used herein, top and bottom, etc. are relative to the figures only and the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by a person skilled in the art that the embodiments and features of the embodiments in the present application can be combined with each other without conflict.
Referring to fig. 1 and fig. 2, the high-brightness full-color electrowetting display device of the present embodiment includes a first transparent conductive substrate 1, a fluorescent reflective layer 3, a hydrophobic insulating layer 4, an electrowetting display layer 5, and a second transparent conductive substrate 2, which are sequentially stacked, where the electrowetting display layer 5 includes a plurality of pixel units, and the pixel units are arranged in an array.
Specifically, a fluorescent reflecting layer 3, a hydrophobic insulating layer 4 and a pixel wall 61 are sequentially arranged on the surface of the first light-transmitting conductive substrate 1 facing the second light-transmitting conductive substrate 2, the pixel wall 61 encloses to form an array of pixel cells 6, and each pixel cell 6 is a pixel unit; a sealed cavity is formed between the first light-transmitting conductive substrate 1 and the second light-transmitting conductive substrate 2 through packaging of a packaging rubber frame (not shown in the figure), and a first fluid 7 and a second fluid 8 which are incompatible with each other are filled in the sealed cavity; the first fluid 7 is filled in each pixel cell 6, and the first fluid 7 can be specifically ink; the second fluid 8 is in contact with the second light-transmissive electrically-conductive substrate 2, and the second fluid 8 may be water. From above, the electrowetting display layer 5 includes a pixel wall 61, a first fluid 7 and a second fluid 8, which are disposed between the second light-transmitting conductive substrate 2 and the hydrophobic insulating layer 4, and the pixel wall 61 encloses to form pixel units arranged in an array.
The first light-transmitting conductive substrate 1 may specifically include a transparent substrate 11 and a transparent electrode layer 12 disposed on a surface of the transparent substrate 11 facing the second light-transmitting conductive substrate 2, and the material of the transparent electrode layer 12 on the first light-transmitting conductive substrate 1 is preferably a TFT. The second light-transmitting conductive substrate 2 may specifically include a transparent substrate 21 and a transparent electrode layer 22 disposed on a surface of the transparent substrate 21 facing the first light-transmitting conductive substrate 1, and the material of the transparent electrode layer 22 on the second light-transmitting conductive substrate 2 is preferably ITO. The transparent substrates of the first light-transmitting conductive substrate 1 and the second light-transmitting conductive substrate 2 may specifically be glass substrates. The hydrophobic insulating layer 4 is preferably a superhydrophobic insulating coating.
The fluorescent reflecting layer 3 serves to absorb incident light and generate light reflection of a specific color by energy level transition of electrons. In this embodiment, the fluorescent reflection layer 3 includes a red reflection layer, a green reflection layer and a blue reflection layer, and the red reflection layer, the green reflection layer and the blue reflection layer are respectively disposed corresponding to three adjacent pixel units to form a full-color display pixel.
The high-brightness full-color wet display device of the embodiment needs to be matched with the power supply control module for use when in use, so as to control the voltage between the first light-transmitting conductive substrate 1 and the second light-transmitting conductive substrate 2 through the power supply control module. Specifically, the high-brightness full-color television wetting display device can be used by means of an external power control module, and the power control module can also be set as a part of the high-brightness full-color television wetting display device.
As shown in fig. 1, in the present embodiment, the high-brightness full-color electrowetting display device further includes a power control module 9 electrically connected to the first light-transmissive conductive substrate 1 and the second light-transmissive conductive substrate 2, and the power control module 9 is configured to control a voltage between the first light-transmissive conductive substrate 1 and the second light-transmissive conductive substrate 2. When the voltage applied between the first light-transmitting conductive substrate 1 and the second light-transmitting conductive substrate 2 by the power control module 9 is greater than the threshold voltage of the movement of the first fluid 7, the first fluid 7 moves to change the tiled state into the contracted state, and at the moment, the external light can pass through the electrowetting display layer 5 to expose the light-transmitting area; conversely the first fluid 7 will be in a flat state, in which case light cannot be transmitted through the electrowetting display layer 5.
As shown in fig. 3, in the high-brightness full-color electrowetting display device of this embodiment, through the arrangement of the fluorescent reflection layer 3, when the voltage applied between the first transparent conductive substrate 1 and the second transparent conductive substrate 2 is greater than the voltage of the first fluid 7, the first fluid 7 moves to the pixel wall 61 by contraction motion, at this time, external light enters the electrowetting display device and reaches the fluorescent reflection layer 3, and the fluorescent reflection layer 3 can absorb incident light and excite light of a specific waveband, so that the electrowetting display device exhibits a high reflectivity.
In addition, in the embodiment, the fluorescent reflection layer 3 includes a red reflection layer, a green reflection layer and a blue reflection layer respectively corresponding to the three adjacent pixel units, so that the electrowetting display device can utilize the additive color mixing principle of red light, green light and blue light (as shown in fig. 4), when the fluorescent reflection layer 3 absorbs the energy level transition of the incident light excited electrons, and further converts and emits the corresponding color regulated and controlled by the region to be fixed, the adjustment is performed through the power control module 9, and the high-efficiency full-color dynamic full-color display can be realized.
Therefore, the high-brightness full-color TV wetting display device has simple structure and easy manufacture; through setting up the fluorescence reflection stratum, need not add extra light filter, can directly arouse the energy level transition of electron through the absorption of fluorescence reflection stratum to incident light, and then the conversion launches the light of the corresponding colour that its corresponding region regulated and control, in order to realize electrowetting display device's hi-lite, display device bulk brightness and color saturation are high, and its usable external natural light is as the excitation light source, the low power dissipation, response speed is fast, applicable in outdoor high brightness environment, green, environmental protection, energy-conservation.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A high-brightness full-color TV wetting display device is characterized by comprising a first light-transmitting conductive substrate, a fluorescent reflection layer, a hydrophobic insulation layer, an electrowetting display layer and a second light-transmitting conductive substrate which are sequentially stacked; the electrowetting display layer comprises a plurality of pixel units, and the pixel units are arranged in an array.
2. The high brightness all color electrowetting display device of claim 1, wherein the fluorescent reflecting layer is configured to absorb incident light and to generate light reflection of a specific color by energy level transition of electrons.
3. The high brightness all color electrowetting display device according to claim 2, wherein the fluorescent reflecting layer comprises a red reflecting layer, a green reflecting layer, and a blue reflecting layer; the red light emitting layer, the green light reflecting layer and the blue light reflecting layer are respectively arranged corresponding to the three adjacent pixel units.
4. The high brightness all color electrowetting display device according to claim 1, wherein the first light transmissive conductive substrate comprises a transparent substrate and a transparent electrode layer provided on a surface of the transparent substrate facing the second light transmissive conductive substrate.
5. The high brightness all color electrowetting display device according to claim 4, wherein the material of the transparent electrode layer is a TFT.
6. The high brightness all color electrowetting display device according to claim 1, wherein the second light transmissive conductive substrate comprises a transparent substrate and a transparent electrode layer provided on a surface of the transparent substrate facing the first light transmissive conductive substrate.
7. The high brightness all color electrowetting display device according to claim 6, wherein the material of the transparent electrode layer is ITO.
8. The high brightness all color electrowetting display device according to any one of claims 1-7, further comprising a power control module electrically connecting the first light transmissive conductive substrate and the second light transmissive conductive substrate for controlling a voltage between the first light transmissive conductive substrate and the second light transmissive conductive substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443399.5U CN210376876U (en) | 2019-08-30 | 2019-08-30 | High-brightness full-color TV wetting display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443399.5U CN210376876U (en) | 2019-08-30 | 2019-08-30 | High-brightness full-color TV wetting display device |
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| CN210376876U true CN210376876U (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568608A (en) * | 2019-08-30 | 2019-12-13 | 华南师范大学 | High-brightness full-color TV wetting display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568608A (en) * | 2019-08-30 | 2019-12-13 | 华南师范大学 | High-brightness full-color TV wetting display device |
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Effective date of registration: 20240612 Address after: 518000 b715, Yinxing technology building, 1301 Guanlan community sightseeing Road, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. Country or region after: China Address before: South China advanced Optoelectronics Research Institute, South China Normal University, No. 378, Waihuan West Road, Panyu District, Guangzhou City, Guangdong Province, 510006 Patentee before: SOUTH CHINA NORMAL University Country or region before: China Patentee before: SHENZHEN GUOHUA OPTOELECTRONICS Co.,Ltd. Patentee before: ACADEMY OF SHENZHEN GUOHUA OPTOELECTRONICS |