CN211264026U - Liquid crystal display module and liquid crystal display device - Google Patents
Liquid crystal display module and liquid crystal display device Download PDFInfo
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- CN211264026U CN211264026U CN202020123777.8U CN202020123777U CN211264026U CN 211264026 U CN211264026 U CN 211264026U CN 202020123777 U CN202020123777 U CN 202020123777U CN 211264026 U CN211264026 U CN 211264026U
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Abstract
The embodiment of the utility model discloses liquid crystal display module and liquid crystal display device. The liquid crystal display module comprises a backlight module, a liquid crystal panel and a photonic crystal film, wherein the photonic crystal film is arranged on a light emitting path of the backlight module for providing backlight for the liquid crystal panel; the backlight module comprises a blue light LED light-emitting unit, the photonic crystal film comprises a plurality of photonic crystal units which are periodically arranged, and the photonic crystal film reflects light rays in a blue light wave band. The embodiment of the utility model provides a solve the too much problem of blue light wave band light among the backlight unit, realized the filtration of too much blue backlight among the backlight unit, reduced the emergence of the blue light that influences the health, can alleviate user to a certain extent watch tiredly, reduce the damage healthy to the user.
Description
Technical Field
The embodiment of the utility model provides a relate to the display technology, especially relate to a liquid crystal display module assembly and liquid crystal display device.
Background
Research shows that the focus point of light rays in the blue light band in the eyeball does not fall at the center of the retina, but is positioned at a point closer to the front of the retina, so that the eyeball can be kept in a tense state for a long time, and asthenopia is caused. In addition, blue light can also inhibit the secretion of melatonin, thereby influencing sleep.
In the existing liquid crystal display device, the backlight generally adopts the blue light with short wave and high energy to excite the yellow fluorescent powder to be mixed into white light, and the blue light wave band can be seen to have higher energy in the emergent spectrum, so that the liquid crystal display device can cause the watching fatigue of users and influence the health of the users.
SUMMERY OF THE UTILITY MODEL
The utility model provides a liquid crystal display module assembly and liquid crystal disply device to filter unnecessary blue light in being shaded, reduce the outgoing of blue light wave band light.
In a first aspect, an embodiment of the present invention provides a liquid crystal display module, including a backlight module, a liquid crystal panel, and a photonic crystal thin film disposed on a light emitting path of the backlight module providing backlight to the liquid crystal panel;
the backlight module comprises a blue light LED light-emitting unit, the photonic crystal film comprises a plurality of photonic crystal units which are periodically arranged, and the photonic crystal film reflects light rays in a blue light wave band.
Furthermore, the backlight module also comprises a reflecting sheet and a light guide plate, wherein the reflecting sheet is arranged on one side of the light guide plate, which is far away from the liquid crystal panel;
the liquid crystal panel comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate;
the photonic crystal film is arranged on the surface of one side of the array substrate, which faces the backlight module.
Furthermore, the backlight module also comprises a reflecting sheet and a light guide plate, wherein the reflecting sheet is arranged on one side of the light guide plate, which is far away from the liquid crystal panel;
the liquid crystal panel comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate;
the photonic crystal film is arranged on the surface of one side of the light guide plate, which is far away from the reflector plate.
Furthermore, the backlight module further comprises a plurality of color conversion structures, wherein fluorescent powder is doped in the color conversion structures, and the color conversion structures are arranged on the surface of one side, facing the reflector plate, of the light guide plate;
the color film substrate is provided with a plurality of color resistors, and the plurality of color resistors comprise a blue color resistor, a red color resistor and a green color resistor;
the color conversion structures are arranged in one-to-one correspondence with the color resistors, the color conversion structures corresponding to the blue color resistors are transparent, red fluorescent powder is doped in the color conversion structures corresponding to the red color resistors, and green fluorescent powder is doped in the color conversion structures corresponding to the green color resistors.
Further, the photonic crystal unit in the photonic crystal film is of a convex structure or a groove structure.
Further, the photonic crystal unit is in the shape of a cylinder, an elliptic cylinder or a regular polygonal cylinder.
Further, the range of the arrangement period of the photonic crystal unit is 120-200 nm.
Further, the height of the photonic crystal unit ranges from 90 nm to 121 nm; the length range of the projection of the photonic crystal unit in the periodic arrangement direction is 90-110 nm.
Further, the photonic crystal unit is of a semiconductor photonic crystal structure.
In a second aspect, an embodiment of the present invention further provides a liquid crystal display device, including the liquid crystal display module according to any one of the first aspect.
The embodiment of the utility model provides a liquid crystal display module and liquid crystal display device, through set up the photonic crystal film on the light-emitting path that backlight module provided liquid crystal display panel in to backlight unit, wherein be provided with the photonic crystal unit that the cycle was arranged in the photonic crystal film, utilize the photonic crystal unit that the cycle was arranged to reflect blue light wave band light, can reflect blue light LED luminescence unit among the backlight unit, thereby the filtration of too much blue backlight among the backlight unit has been realized, it is white backlight to have guaranteed to be shaded, the outgoing of the blue light that influences the health has been reduced, can alleviate user's the fatigue of watching to a certain extent, reduce the damage healthy to the user.
Drawings
Fig. 1 is a schematic structural diagram of a liquid crystal display module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another liquid crystal display module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another liquid crystal display module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a photonic crystal thin film according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another photonic crystal thin film provided by an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another photonic crystal thin film provided by an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
The liquid crystal display module comprises a 1-liquid crystal display module, a 10-backlight module, an 11-blue light LED light-emitting unit, a 12-reflecting sheet, a 13-light guide plate, a 141-first diffusion sheet, a 142-second diffusion sheet, a 15-prism sheet, a 16-color conversion structure, a 20-liquid crystal panel, a 21-array substrate, a 22-color film substrate, a 220-color resistor, a 221-blue color resistor, a 222-red color resistor, a 223-green color resistor, a 23-liquid crystal layer, a 30-photonic crystal film and a 31-photonic crystal unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
According to the background art, an embodiment of the present invention provides a liquid crystal display module, which includes a backlight module, a liquid crystal panel, and a photonic crystal film disposed on a light emitting path of the backlight module providing backlight to the liquid crystal panel; the backlight module comprises a blue light LED light-emitting unit, the photonic crystal film comprises a plurality of photonic crystal units which are periodically arranged, and the photonic crystal film reflects light rays in a blue light waveband.
The backlight module is provided with a blue light LED light-emitting unit for providing backlight through the blue light LED light-emitting unit. And, in particular, fluorescent powder can be further arranged in the backlight module, and part of blue light provided by the blue light LED light-emitting unit is converted and mixed to form white light through the fluorescent powder. In the liquid crystal display module, the liquid crystal display panel is responsible for regulating and controlling the emergence of white backlight, and the white backlight is filtered into the light of different colors to match colors according to the light filtering structure on the liquid crystal display panel, thereby realizing the full color of the panel. On the basis that the backlight module provides white backlight, part of blue light is not converted and mixed by fluorescent powder, so that the blue light emitted by the backlight module is excessive.
The photonic crystal is an artificial microstructure which is periodically arranged and is an artificial periodic dielectric structure with photonic band gap characteristics. Photonic band gap materials are capable of modulating electromagnetic waves having a corresponding wavelength such that photons having energies within the photonic band gap cannot enter or pass through the photonic crystal. The embodiment of the utility model provides an in, set up photonic crystal film on backlight unit's light-emitting path, utilize the photonic crystal unit of cycle arrangement among the photonic crystal film, can realize filtering or selecting the light of specific wave band, realize the reflection to blue light wave band light among the backlight unit. And the reflected blue light can return to the backlight module, and the white light can be formed again through conversion and mixing of fluorescent powder in the backlight module, so that the full utilization of the light emitted by the blue light LED light-emitting unit is achieved, and the energy loss is reduced. At this time, the backlight module provides the backlight to the liquid crystal panel with white light completely. It can be understood by those skilled in the art that, in order to achieve the reflection of the light in the blue light band, the material, shape, period, size, etc. of the photonic crystal unit in the photonic crystal thin film need to be properly set, which will not be discussed herein for the time being.
The embodiment of the utility model provides an among the liquid crystal display module, through set up photonic crystal film on the light-emitting path that backlight is provided to liquid crystal display panel at backlight unit, wherein be provided with the photonic crystal unit that the cycle was arranged among the photonic crystal film, utilize the photonic crystal unit that the cycle was arranged to reflect blue light wave band light, can reflect blue light LED luminescence unit among the backlight unit, thereby the filtration of too much blue backlight among the backlight unit has been realized, it is white backlight to have guaranteed, the outgoing of the blue light that influences the health has been reduced, can alleviate user's watching fatigue to a certain extent, reduce the damage healthy to the user.
Above is the core thought of the utility model, will combine the attached drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model clearly, describe completely. Based on the embodiments in the present invention, under the premise that creative work is not done by ordinary skilled in the art, all other embodiments obtained all belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a liquid crystal display module according to an embodiment of the present invention, referring to fig. 1, the liquid crystal display module includes a backlight module 10, a liquid crystal panel 20, and a photonic crystal film 30 disposed on a light emitting path of the backlight module 10 providing backlight to the liquid crystal panel 20; the backlight module 10 includes a blue LED light emitting unit 11, the photonic crystal film 30 includes a plurality of photonic crystal units 31 arranged periodically, and the photonic crystal film 30 reflects blue-band light. The liquid crystal panel 20 includes an array substrate 21, a color filter substrate 22, and a liquid crystal layer 23 disposed between the array substrate 21 and the color filter substrate 22; the backlight module 10 further includes a reflective sheet 12 and a light guide plate 13, wherein the reflective sheet 12 is disposed on a side of the light guide plate 13 away from the liquid crystal panel 20; optionally, the photonic crystal film 30 is disposed on a surface of the array substrate 21 facing the backlight module 10.
The photonic crystal thin film 30 may be formed on the back surface of the array substrate 21 using the array substrate 21 as a carrier at the time of manufacturing. At this time, before the backlight emitted from the backlight module 10 enters the array substrate 21 of the liquid crystal panel 20, the light in the blue light band in the backlight can be filtered and reflected by the photonic crystal film 30, so that the light in the blue light band returns to the backlight module again, and the blue light can be converted and utilized again.
Fig. 2 is a schematic structural diagram of another liquid crystal display module according to an embodiment of the present invention, referring to fig. 2, the liquid crystal display module includes a backlight module 10, a liquid crystal panel 20, and a photonic crystal film 30 disposed on a light emitting path of the backlight module 10 providing backlight to the liquid crystal panel 20; the backlight module 10 includes a blue LED light emitting unit 11, the photonic crystal film 30 includes a plurality of photonic crystal units 31 arranged periodically, and the photonic crystal film 30 reflects blue-band light. The liquid crystal panel 20 includes an array substrate 21, a color filter substrate 22, and a liquid crystal layer 23 disposed between the array substrate 21 and the color filter substrate 22; the backlight module 10 further includes a reflective sheet 12 and a light guide plate 13, wherein the reflective sheet 12 is disposed on a side of the light guide plate 13 away from the liquid crystal panel 20; optionally, the photonic crystal film 30 is disposed on a surface of the light guide plate 13 facing away from the reflective sheet 12.
At this time, the photonic crystal thin film 30 is formed on the surface of the light guide plate 13 using the light guide plate 13 as a carrier at the time of production. In addition, after the blue light emitted from the blue LED light emitting unit 11 in the backlight module 10 is converted and mixed by the phosphor to form white light, the white light needs to be dispersed and homogenized by the light guide plate 13 to ensure the uniformity of the backlight. Since the blue LED light emitting unit 11 is generally disposed on a side surface of the light guide plate 13, in order to change a light emitting direction of the light emitting unit, the light guide plate 13 is generally wedge-shaped, and the reflective sheet 12 is disposed on a back surface of the light guide plate 13 for reflecting light, so that the backlight generated by the blue LED light emitting unit 11 is uniformly emitted from the light emitting surface of the light guide plate 13. On this basis, in order to ensure that the light in the blue light band is filtered on the backlight light-emitting path, the photonic crystal film 30 needs to be disposed on the surface of the light-emitting side of the light guide plate 13, that is, the surface of the light guide plate 13 on the side away from the reflector plate 12.
Besides the arrangement of the photonic crystal film 30 provided in the above embodiments, those skilled in the art can also arrange the photonic crystal film 30 at other positions on the light-emitting path of the backlight module providing backlight to the liquid crystal panel. For example, the photonic crystal thin film may be disposed between the backlight module and the liquid crystal panel, or disposed on a film layer or a substrate on other light exit paths in the backlight module, which is not limited herein.
On the basis of the above embodiment, the embodiment of the utility model provides a still provide a liquid crystal display module assembly. Fig. 3 is a schematic structural diagram of another liquid crystal display module according to an embodiment of the present invention, referring to fig. 3, taking the example of disposing the photonic crystal film 30 on the surface of the light guide plate 13 away from the side of the reflective sheet 12 shown in fig. 2 as an example, in the liquid crystal display module, the backlight module 10 further includes a first diffusion sheet 141, a prism sheet 15 and a second diffusion sheet 142 disposed on the light exit side of the light guide plate 13, and the first diffusion sheet 141, the prism sheet 15 and the second diffusion sheet 142 are sequentially stacked along the light exit direction of the light guide plate 13; the blue LED light emitting unit 11 is disposed on at least one side of the light guide plate 13 that is connected to the light exit side.
The difference from the lcd module shown in fig. 2 is that the backlight module 10 further includes a plurality of color conversion structures 16, the color conversion structures 16 are doped with phosphor, and the color conversion structures 16 are disposed on a surface of the light guide plate 13 facing the reflective sheet 12;
a plurality of color resistors 220 are arranged on the color film substrate 22, and the plurality of color resistors 220 comprise a blue color resistor 221, a red color resistor 222 and a green color resistor 223; the color conversion structures 16 and the color resistors 220 are arranged in a one-to-one correspondence manner, the color conversion structure 16 corresponding to the blue color resistor 221 is transparent, the color conversion structure 16 corresponding to the red color resistor 222 is doped with red phosphor, and the color conversion structure 16 corresponding to the green color resistor 223 is doped with green phosphor.
The color conversion structure 16 may be made of transparent optical glue, in which fluorescent powder with corresponding color is doped and dispersed. The red phosphor can convert the light of the blue light wave band into red light, and the green phosphor can convert the light of the blue light wave band into green light.
At this time, the light of the blue band reflected by the photonic crystal film 30 returns to the backlight module 10. Moreover, because a plurality of color conversion structures 16 are disposed on a surface of one side of the light guide plate 13 facing the reflector 12 in the backlight module 10, the color of the phosphor doped in the color conversion structures 16 is the same as the color of the corresponding color resistors, and the red phosphor in the color conversion structures 16 corresponding to the red color resistor 222 can be utilized to convert the light in the blue light band into red light; the color conversion structure 16 corresponding to the green color resistor 223 can convert the light of the blue light band into green light by using the green phosphor therein. At this time, the light in the blue band reflected by the photonic crystal film 30 may be converted into red light and green light, and then may be emitted through the red color resistor and the green color resistor after being reflected upward by the reflective sheet 12, so as to improve the light intensity of the red color resistor and the green color resistor and improve the light intensity of the whole display panel. That is, by providing different color conversion structures 16 on the lower surface of the light guide plate 13, the light of the blue light band filtered by the photonic crystal can be recycled, and the light emission of the display panel is increased.
On the basis of the above embodiments, in order to ensure that the photonic crystal film can effectively filter and reflect the blue light wave band, the photonic crystal units in the photonic crystal film need to be reasonably designed and arranged. Those skilled in the art can design parameters such as shape, period and size of photonic crystal units in the photonic crystal film by methods such as, but not limited to, plane wave expansion method, transmission matrix method, finite difference time domain method and scattering matrix method. Based on this, the embodiment of the present invention provides a photonic crystal unit with various shapes and structures. Wherein, the photonic crystal unit in the photonic crystal film can be arranged into a convex structure or a groove structure. The photonic crystal unit may be in the shape of a cylinder or an elliptic cylinder, or may be in the shape of a regular polygonal cylinder such as a regular triangular prism, a regular quadrangular prism, a regular pentagonal prism, or a regular hexagonal prism. The following examples are provided for the photonic crystal film that can be used in the liquid crystal display module provided in the above embodiments.
Fig. 4 is a schematic structural diagram of a photonic crystal thin film according to an embodiment of the present invention, and referring to fig. 4, for example, in the photonic crystal thin film, the photonic crystal unit 31 may be configured as a convex structure. Also, the photonic crystal unit 31 may be provided as a cylinder. Fig. 5 is a schematic structural diagram of another photonic crystal film provided in an embodiment of the present invention, and referring to fig. 5, for example, in the photonic crystal film, the photonic crystal unit 31 may be configured as a convex structure, and the photonic crystal unit 31 may be configured as a regular quadrangular prism. Fig. 6 is a schematic structural diagram of another photonic crystal film provided by an embodiment of the present invention, and referring to fig. 6, for example, in the photonic crystal film, the photonic crystal unit 31 may be configured as a groove structure, and the photonic crystal unit 31 of the groove structure may be configured as a regular quadrangular prism.
On the basis of determining the shape of the photonic crystal unit, the structural parameters of the photonic crystal also influence the light transmission spectrum or the filtering wave band of the photonic crystal film. Preferably, referring to FIGS. 4 and 5, the range of the arrangement period C of the photonic crystal units in the photonic crystal thin film may be set to 120-200 nm. The height range H of the photonic crystal unit can be set to be 90-121 nm; the length range d of the projection of the photonic crystal unit in the periodic arrangement direction may be set to 90-110 nm. At the moment, the photonic crystal film can reflect light in a 380nm-500nm wave band, namely, light in a blue wave band in backlight can be filtered out.
When the photonic crystal film is prepared, besides designing the shape, the period, the size and the like of the photonic crystal units in the photonic crystal film, the material of the photonic crystal film also needs to be reasonably selected. Photonic crystal materials can be generally classified into 3 types, including semiconductor materials, dielectric materials, and organic polymer materials. In the photonic crystal thin film, the larger the difference between the dielectric constant (or refractive index) of the photonic crystal units arranged periodically and the adjacent medium is, the reflection effect of the photonic crystal thin film will be correspondingly different, therefore, the embodiment of the present invention preferably adopts the semiconductor material with the larger dielectric constant to prepare the photonic crystal thin film, such as silicon and silicon dioxide. On the basis of the determination of the semiconductor material, the crystal lattice of the semiconductor material can be determined analyticallyThe structure and the refractive index are optimized and obtained through adjusting and controlling the structural parameters such as the shape, the period, the size and the like of the photonic crystal film, and the photonic crystal film for filtering out the light rays in the blue light wave band is obtained. The photonic crystal film provided in the above embodiment can be prepared by using a photolithography process, and the specific preparation steps of the photonic crystal film are described below by taking the photonic crystal film shown in fig. 4 as an example. The photonic crystal film can be prepared by adopting a silicon material, and specifically, a glass substrate is provided firstly, and a Si layer is deposited on the glass substrate; then, a layer of SiO is deposited on the silicon layer2SiO as a hard master in etching processes2The thickness of the film layer can be set to be 100 nm; then, in SiO2A layer of photoresist is spin-coated on the film layer, and a mask pattern is formed on the photoresist in an electron beam etching mode, wherein the mask pattern is a cylindrical structure with preset parameters; then, a mask pattern formed by the photoresist is utilized to etch SiO through a dry etching process2Hard master, SiO formation2A mask pattern; finally, the photoresist mask pattern and SiO are utilized2Masking the pattern, etching the Si layer, and removing the photoresist and SiO2And forming a silicon-based photonic crystal film by using the hard master plate.
The silicon-based photonic crystal film is formed by etching the Si layer through a dry etching process, so that the structural parameters such as the shape, the period, the size and the like of a photonic crystal unit in the photonic crystal film can be accurately regulated and controlled, the actually prepared photonic crystal unit is ensured to have small structural error, and the photonic crystal film can be ensured to effectively reflect and block light in a blue light waveband. In addition, when a photoresist mask pattern is formed, the photoresist needs to be exposed by focused electron beams, electrons etched by the electron beams are easy to scatter, so that a proximity effect is caused on a Si layer, and the pattern size of a final pattern formed after etching does not correspond to the pattern size of the photoresist. The embodiment of the utility model provides a through form SiO on the Si layer2Mask pattern using SiO2The Si layer is etched by the mask pattern to form the silicon-based photonic crystal film, and SiO can be utilized2The mask pattern reduces the scattering of photon beams, avoids the inconsistency of the pattern formed by etching on the Si layer and the mask pattern, and ensures the photonic crystal filmPrecise preparation of the photonic crystal unit.
It is understood that, in the preparation process of the above steps, when patterning the photoresist to form the photoresist mask, processes such as nanoimprint may also be used to facilitate large-area preparation.
Fig. 7 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention. Referring to fig. 7, the liquid crystal display device includes any one of the liquid crystal display modules 1 provided in the embodiments of the present invention. It is understood that the liquid crystal display device further includes a driving chip and a peripheral circuit for driving the liquid crystal display module 1 to perform display, and details thereof are not described herein. The liquid crystal display device can be a mobile phone, a computer, an intelligent wearable device and the like.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A liquid crystal display module is characterized by comprising a backlight module, a liquid crystal panel and a photonic crystal film, wherein the photonic crystal film is arranged on a light emitting path of the backlight module for providing backlight for the liquid crystal panel;
the backlight module comprises a blue light LED light-emitting unit, the photonic crystal film comprises a plurality of photonic crystal units which are periodically arranged, and the photonic crystal film reflects light rays in a blue light wave band.
2. The liquid crystal display module according to claim 1, wherein the backlight module further comprises a reflective sheet and a light guide plate, the reflective sheet is disposed on a side of the light guide plate facing away from the liquid crystal panel;
the liquid crystal panel comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate;
the photonic crystal film is arranged on the surface of one side of the array substrate, which faces the backlight module.
3. The liquid crystal display module according to claim 1, wherein the backlight module further comprises a reflective sheet and a light guide plate, the reflective sheet is disposed on a side of the light guide plate facing away from the liquid crystal panel;
the liquid crystal panel comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate;
the photonic crystal film is arranged on the surface of one side of the light guide plate, which is far away from the reflector plate.
4. The liquid crystal display module according to claim 2 or 3, wherein the backlight module further comprises a plurality of color conversion structures, the color conversion structures are doped with phosphor, and the color conversion structures are disposed on a surface of the light guide plate facing the reflector plate;
the color film substrate is provided with a plurality of color resistors, and the plurality of color resistors comprise a blue color resistor, a red color resistor and a green color resistor;
the color conversion structures are arranged in one-to-one correspondence with the color resistors, the color conversion structures corresponding to the blue color resistors are transparent, red fluorescent powder is doped in the color conversion structures corresponding to the red color resistors, and green fluorescent powder is doped in the color conversion structures corresponding to the green color resistors.
5. The liquid crystal display module of claim 1, wherein the photonic crystal unit in the photonic crystal film is a protrusion structure or a groove structure.
6. The LCD module of claim 5, wherein the photonic crystal unit is in the shape of a cylinder, an elliptic cylinder or a regular polygonal cylinder.
7. The liquid crystal display module of claim 5, wherein the period of the photonic crystal unit is in the range of 120-200 nm.
8. The LCD module of claim 5, wherein the height of the photonic crystal unit is in the range of 90-121 nm; the length range of the projection of the photonic crystal unit in the periodic arrangement direction is 90-110 nm.
9. The liquid crystal display module of claim 1, wherein the photonic crystal unit is a semiconductor photonic crystal structure.
10. A liquid crystal display device comprising the liquid crystal display module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020123777.8U CN211264026U (en) | 2020-01-19 | 2020-01-19 | Liquid crystal display module and liquid crystal display device |
Applications Claiming Priority (1)
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