CN206057732U - A kind of peep-proof display - Google Patents
A kind of peep-proof display Download PDFInfo
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- CN206057732U CN206057732U CN201620989480.3U CN201620989480U CN206057732U CN 206057732 U CN206057732 U CN 206057732U CN 201620989480 U CN201620989480 U CN 201620989480U CN 206057732 U CN206057732 U CN 206057732U
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- peep
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Abstract
The utility model discloses a kind of peep-proof display, including display panels, the back side of display panels is provided with realizes module by the collimated light that most of light that backlight sends is adjusted to collimated light injection, display panels and collimated light are realized being provided between module and can be switched between all-transparent state and frosted state come handoff functionality between the non-peep-proof state of the peep-proof state and wide viewing angle of realizing narrow viewing angle, and by the progressive state of the different translucent gray scales light modulation film strong and weak to adjust peep-proof effect.This utility model between the peep-proof state of narrow viewing angle and the non-peep-proof state of wide viewing angle can be realized being switched fast, and peep-proof effect is good.
Description
Technical field
This utility model is related to a kind of can carrying out between the non-peep-proof state of wide viewing angle and the peep-proof state of narrow viewing angle soon
The peep-proof display of speed switching, belongs to peep-proof display technology field.
Background technology
The peep-proof display that currently there are, is mostly reaching peep-proof effect by peep-proof film.Either will
Peep-proof film is placed in the inside that the outside of peep-proof display is still built in peep-proof display, and which keeps all can only peep-proof display
Under a kind of peep-proof state this state, and the switching between peep-proof state and non-peep-proof state two states can not be realized, i.e., not existed narrow
The situation switched between visual angle and wide viewing angle.And if want to be switched to wide viewing angle, need peep-proof film to move from peep-proof display
Remove, using upper very inconvenient.Fig. 1 is illustrated that on basal layer 52 and arranges shutter microstructured layers 51, can block oblique visual angle
The structure of peep-proof film 50.
At present, occur in that on market a kind of anti-with non-in peep-proof state to realize peep-proof film 60 using electrochomeric glass principle
The technology of switching at runtime between state is peeped, know-why is as shown in Fig. 2 which is mainly the micro- knot of shutter arranged on basal layer 63
Electrochromic layer 62 is set up in each 64 both sides of transparent area of structure layer 61.This electrochromic layer 62 can be realized transparent in the case of energization
Switching between state and shading state, so as to realize switching of the display between wide viewing angle and narrow viewing angle.But this way
The disadvantage is that, lateral transmitance during peep-proof state is poor, so as to cause peep-proof effect greatly to reduce, and the making of this peep-proof film 60
Technique is excessively complicated, high cost, it is impossible to guarantee the reliable realization of peep-proof effect.
In addition, have also appeared on market using PDLC (PDLC) or PNLC (polymer network liquid crystal) as
Light absorbing material, or using structures such as single LCD realizing that switchable peep-proof shows between peep-proof state and non-peep-proof state
Device.But can see from actual enforcement, this scheme the disadvantage is that, peep-proof state to there is lateral transmitance too high, very poor
Positive transmitance, the conversion between wide, narrow viewing angle are very slow, in the switching of continuous wide, narrow viewing angle the performance of display and
Stability is driven drastically to be deteriorated.
As can be seen here, a kind of technical scheme for solving above-mentioned traditional peep-proof display shortcoming is designed, is to be badly in need of at present
The problem of solution.
Utility model content
The purpose of this utility model is to provide a kind of peep-proof display, and which can be in the peep-proof state of narrow viewing angle and wide viewing angle
Realize being switched fast between non-peep-proof state, peep-proof effect is good.
To achieve these goals, this utility model employs technical scheme below：
A kind of peep-proof display, it is characterised in that：It includes display panels, the back side of display panels be provided with by
Most of light that backlight sends is adjusted to the collimated light of collimated light injection and realizes module, display panels and collimated light reality
The peep-proof state that can switch to realize narrow viewing angle between all-transparent state and frosted state is provided between existing module non-anti- with wide viewing angle
Peep handoff functionality between state, and by the progressive state of the different translucent gray scales light modulation film strong and weak to adjust peep-proof effect.
The collimated light realizes that module includes the peep-proof film of setting stacked on top of one another, reflection diaphragm group, peep-proof film and the tune
Light film connects, wherein：Reflection diaphragm group includes the prism film of setting stacked on top of one another, lower diffusion barrier, light guide plate, reflectance coating successively,
Prism film is connected with peep-proof film, and prism film is upper and lower prism film or composite prism film.
Or, the collimated light realizes that module includes reflection diaphragm group, and reflection diaphragm group includes setting stacked on top of one another successively
Reversed prism film, light guide plate, reflectance coating, reversed prism film connected with the light modulation film.
The utility model has the advantages that：
This utility model between the peep-proof state of narrow viewing angle and the non-peep-proof state of wide viewing angle can be realized being switched fast, concrete next
Say, when this utility model is in peep-proof state, positive transmitance high (up to more than 89%) towards beholder, mist degree is low (is less than
0.5%), nephelometric turbidity unit is low, and the image display effect of display panels is good, and lateral transmitance is low, and peep-proof effect is good, that is, realize
The narrow viewing angle of excellent, and this utility model is when being in non-peep-proof state, high (still has towards the positive transmitance of beholder
More than 78%), mist degree height (up to more than 95%), nephelometric turbidity unit are high, display panels can well on the basis of display image,
Light is dissipated well, such that it is able to obtain very wide visible angle, that is, realizes the wide viewing angle of excellent.
This utility model only need to be powered when light modulation film switches to all-transparent state and frosted state, and both states
The switching time that holding need not be consumed between electric energy, and both states is very short, therefore this utility model can be realized preventing
The rapid switching peeped between state and non-peep-proof state, while the continuous switching between peep-proof state and non-peep-proof state, will not be to display property
Stability and can be driven to impact, very little is affected on battery durable.
This utility model processing technology is simple, and low cost is widely portable to the small-medium sizes such as mobile phone, flat board, notebook
The secret protection of display.
Description of the drawings
Fig. 1 is the structural representation of traditional peep-proof film.
Fig. 2 is the peep-proof membrane structure schematic diagram for having utilized electrochomeric glass principle to realize.
Fig. 3 is the first embodiment structural representation of this utility model peep-proof display.
Fig. 4 is the second embodiment structural representation of this utility model peep-proof display.
Fig. 5 is the structural representation of light modulation film.
Fig. 6 is peep-proof film in this utility model peep-proof display first embodiment, between light modulation film and display panels
Attachment structure schematic diagram.
Fig. 7 be this utility model peep-proof display be in peep-proof state when explanatory diagram.
Fig. 8 be this utility model peep-proof display be in non-peep-proof state when explanatory diagram.
Specific embodiment
As shown in Figures 3 to 8, this utility model peep-proof display 10 includes display panels 11, display panels
11 can using existing various display panels for display image on the market, the back side of display panels 11 be provided with by
Most of light that backlight (not shown) sends is adjusted to the collimated light of collimated light injection and realizes module 30, liquid crystal display
Panel 11 and collimated light are realized being provided between module 30 and can switch to prevent this utility model between all-transparent state and frosted state
Peep display 10 realize narrow viewing angle peep-proof state and wide viewing angle non-peep-proof state between handoff functionality, and by different translucent
The progressive state of gray scale is come the strong and weak light modulation film 12 of the peep-proof effect that adjusts this utility model peep-proof display 10, in other words, liquid
LCD panel 11, light modulation film 12, collimated light realize the setting stacked on top of one another successively of module 30, and backlight is placed on collimated light realization
The back side of module 30, display panels 11, light modulation film 12 are connected with electronic-controlled installation (not shown).
Such as Fig. 3, collimated light realize that module 30 may include the peep-proof film 13 of setting stacked on top of one another, reflection diaphragm group 20, peep-proof
Film 13 is connected with light modulation film 12, wherein：Reflection diaphragm group 20 includes the prism film 21 of setting stacked on top of one another successively, lower diffusion barrier
22nd, light guide plate 23, reflectance coating 24, prism film 21 are connected with peep-proof film 13, and prism film 21 can be upper and lower prism film or composite prism
Film.
Further, such as Fig. 6, peep-proof film 13 includes basal layer 131, and basal layer 131 is provided with shutter microstructured layers
132, basal layer 131 is connected with the reflection diaphragm group 20 shown in Fig. 3, and shutter microstructured layers 132 are connected with light modulation film 12, its
In：Shutter microstructured layers 132 include shading region 1321, the transparent area 1322 being alternately arranged, two neighboring shading region 1321 it
Between gap be transparent area 1322, shading region 1321 is thicker, and transparent area 1322 is narrower, and the peep-proof effect of peep-proof film 13 is better.
In actual enforcement, the light collimation projected from reflection diaphragm group 20 is poor, therefore is carried out by peep-proof film 13
Light collimation adjustment, reaches emergent ray and is limited in certain low-angle, the purpose that most of light collimation is projected.
In practice, in peep-proof film 13 shutter microstructured layers 132 restriction, light can be limited in certain low-angle, and limit
Angular range is determined by the size of shading region 1321 and transparent area 1322 in shutter microstructured layers 132.
Such as Fig. 4, on the other hand, collimated light realizes that module 30 may include reflection diaphragm group 40, reflection diaphragm group 40 include according to
The reversed prism film 41 of secondary setting stacked on top of one another, light guide plate 42, reflectance coating 43, reversed prism film 41 are connected with light modulation film 12.
In this utility model, prism film 21, lower diffusion barrier 22, light guide plate 23, reflectance coating 24, reversed prism film 41, leaded light
Plate 42, reflectance coating 43 are technology known in the art, and here do not described in detail.
Such as Fig. 6, in actual fabrication, can be bonding by tack coat 14 between display panels 11 and light modulation film 12, its
In：Tack coat 14 is any one in epoxy resin, polyacrylate or polymethacrylate monomer, and tack coat 14 can be with
Eliminate impact of the scattering of the air layer generation existed between display panels 11 and light modulation film 12 to peep-proof effect.Certainly,
Tack coat 14 can also be not provided with, form be pasted by frame between display panels 11 and light modulation film 12 and is linked together, be i.e. liquid
Only have frame portion bonding between LCD panel 11 and light modulation film 12, frame portion between display panels 11 and light modulation film 12
The mid portion that subpackage is enclosed forms air layer.
Such as Fig. 5, in this utility model, light modulation film 12 may include the first base layer 121, the second base layer 122, the first base
Mixed layer 123 is provided between body layer 121 and the second base layer 122, mixed layer 123 is mixed by smectic liquid crystal, conducting objects, spacer
Conjunction is formed or mixed layer 123 include being encapsulated in polymer architecture by smectic liquid crystal, conducting objects and spacer constitute it is mixed
Compound, the first base layer 121 are provided with the first conductive electrode layer 124 towards 123 side of mixed layer, and the second base layer 122 is towards mixed
Close 123 side of layer and be provided with the second conductive electrode layer 125.
First base layer 121, the second base layer 122 can be that clear glass or organic transparent material are made.Glass
Can for simple glass, vehicle glass, external window of building glass, safety glass or special glass etc., organic transparent material can for PET,
The organic resin clear layer such as PMMA, acrylic resin, transparent silica gel.First base layer 121, the second base layer 122 can be simultaneously
Glass is made or while be made up of organic transparent material, also can one be made up of glass, another is made up of organic transparent material.
First conductive electrode layer 124 and the second conductive electrode layer 125 are transparent, and its material can be ITO (tin indium oxide),
Alternatively possessed organic material, the inorganic material or multiple of electrically conducting transparent performance by carbon nano tube-doped polymer molecule material etc.
Condensation material is made, or adds metal or the non-gold such as cupric, silver, gold, carbon on the basis of any one in above two material
In category any one or appoint several compositions conductive material make.
For mixed layer 123, which has two kinds of composition forms.
When mixed layer 123 is mixed by smectic liquid crystal, conducting objects, spacer：Smectic liquid crystal is A class smectic phases
Liquid crystal, for example, in the compound with silicon substrate, four octyl-biphenyl of four cyano or tetraacethyl last of the ten Heavenly stems ester four cyano biphenyl any one or appoint
Several mixing.Conducting objects are the inorganic nano-particle with conductive characteristic, CNT, Graphene, sodium carbonate, cetyl three
Ethyl phosphonium bromide QAE quaternary aminoethyl triphenyl phosphonium iodide phosphine, (ferrocenyl methyl) trimethyl ammonium iodide, 1,2- dimethyl -3- 1-Butyl-1H-imidazoles six
It is fluorophosphate, tetraethyl amine p-toluenesulfonic esters, phenyl triethylammonium ammonium iodide, 1- octyl group -3- Methylimidazole. hexafluorophosphates, double
(tetra-n-butyl amine) double (1,3- dithiole -2- thioketone -4, bis- mercaptan of 5-) palladiums (II), tetra-n-butyl close double (1,3- bis-
Disulfole -2- thioketone -4, bis- mercaptan of 5-) nickel (III), double (tetra-n-butyl ammoniums) close double (1,3- dithiole -2- sulfur
Two mercaptan of ketone -4,5-) zinc, that double (tetra-n-butyl ammoniums) closes four cyano biphenol quinone bismethane, tetrabutyl ammonium bromide, cetyl is high
Ammonium chlorate, four ammonium of cetyl bromination, 1- butyl -3- Methylimidazole. tetrachloro ferrates, methyl triphenyl phosphonium iodide, tetraphenyl
Any one in phosphonium iodide or several mixing.Spacer is polyester material or polystyrene type macromolecular material or glass
Transparent isolation ball or spacer rod made by material.Smectic liquid crystal accounts for the 0.0002%-99.99% of mixing gross weight, conducting objects
The 0.0001%-10% of mixing gross weight is accounted for, spacer accounts for the 0.0001%-90% of mixing gross weight.For example, smectic liquid crystal
The 99.99% of mixing gross weight is accounted for, conducting objects account for the 0.0004% of mixing gross weight, spacer accounts for mixing gross weight
0.0096%.
In mixed layer 123 includes being encapsulated in polymer architecture by smectic liquid crystal, conducting objects and spacer constitute it is mixed
During compound：The species of smectic liquid crystal, conducting objects and spacer is identical with described in above-mentioned composition form.Polymer architecture is
Bright, which is by single molecular material or (thermoplasticity) polymerizable molecular material by directly printing or etching or nano impression or spraying
Get ready on the medial surface of the first and/or second conductive electrode layer, heat cure or ultra-violet curing are the polymerization with setting structure
Molecular material and formed, single molecular material be epoxy resin, polyacrylate or polymethacrylate monomer in appoint
It is a kind of.Polymer architecture is formed with the accommodating chamber of the mixture for accommodating smectic liquid crystal, conducting objects and spacer composition, polymerization
Thing structure can be rule spherical, micro- cylindric, thread, hemispherical, parallel strip, cube, cuboid, intersect it is traditional thread binding,
The mixing of network structure (such as hexagon cellular wall construction), square trellis, irregular polygon structure or above-mentioned various structures
Any one in structure, polymer architecture can be uniform, may also be uneven.Polymer architecture and smectic liquid crystal,
Can be mutually immiscible between conducting objects and spacer, disperse, contact with each other or be spaced.Smectic liquid crystal accounts for mixing gross weight
0.0002%-99.99%, polymerizable molecular material accounts for the 0.0001%-80% of mixing gross weight, and conducting objects account for mixing gross weight
0.0001%-10%, spacer account for mixing gross weight 0.0001%-80%.For example, smectic liquid crystal accounts for mixing gross weight
99.99%, polymerizable molecular material account for mixing gross weight 0.0098%, conducting objects account for mixing gross weight 0.0001%, every
The 0.0001% of mixing gross weight is accounted for from thing.
With regard to the operation principle of light modulation film 12, a kind of Chinese utility model patent " electric-controlled light-regulating medium " (patent is referred to
Etc. number 200710175959.9) patent documentation understanding, no longer know technology to this and elaborate by here.
It is of the present utility model to realize that principle is：
Such as Fig. 7, when this utility model needs to switch to peep-proof state, light modulation film 12 is switched to all-transparent state, from backlight
Via collimated light, the light major part for sending realizes that module 30 is adjusted to collimated light injection, light has been limited in narrower range
In set angle.As light modulation film 12 is all-transparent state, its direction of illumination to light does not produce effect, therefore passes through light modulation film
There is no substantially change in the shooting angle of 12 light, and then the light through display panels 11 remains limited to setting
In angle, at this point for beholder the people of display panels 11 (viewing), the light passed through from display panels 11 is just
High, the low haze, low nephelometric turbidity unit by light modulation film 12 to transmitance, display panels 11 are presented good forward direction to beholder
Display effect, simultaneously because restriction of the light in certain angle, from the laterally emitted light penetration of display panels 11
Low, then this utility model realizes the narrow viewing angle function of peep-proof excellent.
Such as Fig. 8, when this utility model needs to switch to non-peep-proof state, light modulation film 12 is switched to frosted state, from backlight
Via collimated light, the light major part for sending realizes that module 30 is adjusted to collimated light injection, light has been limited in narrower range
In set angle.But as light modulation film 12 is frosted state, which has scattering process to light, therefore through the light of light modulation film 12
Shooting angle be changed into all directions scattering come, be no longer limited through the shooting angle of the light of display panels 11
System, the display view angle of display panels 11 are extended, and then this utility model realizes non-peep-proof effect, wider visible angle
Wide viewing function.
In addition, by the regulation to 12 applied voltage of light modulation film, frequency etc. so as under the progressive state of different translucent gray scales
Switching, adjusts its mist degree, nephelometric turbidity unit, transmitance, so as to realize to 10 display view angle width of this utility model peep-proof display
Adjust, i.e., the strong and weak of peep-proof effect is realized adjusting.
The utility model has the advantages that：
This utility model between the peep-proof state of narrow viewing angle and the non-peep-proof state of wide viewing angle can be realized being switched fast, concrete next
Say, when this utility model is in peep-proof state, positive transmitance high (up to more than 89%) towards beholder, mist degree is low (is less than
0.5%), nephelometric turbidity unit is low, and the image display effect of display panels is good, and lateral transmitance is low, and peep-proof effect is good, that is, realize
The narrow viewing angle of excellent, and this utility model is when being in non-peep-proof state, high (still has towards the positive transmitance of beholder
More than 78%), mist degree height (up to more than 95%), nephelometric turbidity unit are high, display panels can well on the basis of display image,
Light is dissipated well, such that it is able to obtain very wide visible angle, that is, realizes the wide viewing angle of excellent.
This utility model only need to be powered when light modulation film switches to all-transparent state and frosted state, and both states
The switching time that holding need not be consumed between electric energy, and both states is very short, therefore this utility model can be realized preventing
The rapid switching peeped between state and non-peep-proof state, while the continuous switching between peep-proof state and non-peep-proof state, will not be to display property
Stability and can be driven to impact, very little is affected on battery durable.
This utility model processing technology is simple, and low cost is widely portable to the small-medium sizes such as mobile phone, flat board, notebook
The secret protection of display.
The above is this utility model preferred embodiment and its know-why used, for those skilled in the art
It is for member, in the case of without departing substantially from spirit and scope of the present utility model, any based on technical solutions of the utility model basis
On equivalent transformation, it is simple replace etc. it is obvious change, belong within this utility model protection domain.
Claims (7)
1. a kind of peep-proof display, it is characterised in that：It includes display panels, and the back side of display panels is provided with will carry on the back
Most of light that light source sends is adjusted to the collimated light of collimated light injection and realizes module, and display panels are realized with collimated light
It is provided between module and can switches to realize the peep-proof state of narrow viewing angle and the non-peep-proof of wide viewing angle between all-transparent state and frosted state
Handoff functionality between state, and by the progressive state of the different translucent gray scales light modulation film strong and weak to adjust peep-proof effect.
2. peep-proof display as claimed in claim 1, it is characterised in that：
The collimated light realizes that module includes the peep-proof film of setting stacked on top of one another, reflection diaphragm group, peep-proof film and the light modulation film
Connect, wherein：Reflection diaphragm group includes the prism film of setting stacked on top of one another, lower diffusion barrier, light guide plate, reflectance coating successively, prism
Film is connected with peep-proof film, and prism film is upper and lower prism film or composite prism film.
3. peep-proof display as claimed in claim 2, it is characterised in that：
The peep-proof film includes basal layer, and basal layer is provided with shutter microstructured layers, basal layer and the reflection diaphragm group phase
Connect, wherein：Shutter microstructured layers include shading region, the transparent area being alternately arranged, and the gap between two neighboring shading region is
Transparent area.
4. peep-proof display as claimed in claim 1, it is characterised in that：
The collimated light realizes that module includes reflection diaphragm group, and reflection diaphragm group includes the reversed prism of setting stacked on top of one another successively
Film, light guide plate, reflectance coating, reversed prism film are connected with the light modulation film.
5. peep-proof display as claimed in claim 1, it is characterised in that：
It is bonding by tack coat between the display panels and the light modulation film, wherein：Tack coat be epoxy resin, poly- third
Any one in olefin(e) acid ester or polymethacrylate monomer.
6. peep-proof display as claimed in claim 1, it is characterised in that：
Between the display panels and the light modulation film by frame paste form link together, the display panels with
There was only frame portion bonding between the light modulation film, the mid portion that frame portion is surrounded forms air layer.
7. the peep-proof display as any one of claim 1 to 6, it is characterised in that：
The light modulation film includes the first base layer, the second base layer, is provided with mixed layer between the first base layer and the second base layer,
Mixed layer is mixed by smectic liquid crystal, conducting objects, spacer or mixed layer includes being encapsulated in polymer architecture by near
The mixture of crystalline phase liquid crystal, conducting objects and spacer composition, the first base layer are provided with the first conductive electrode towards mixed layer side
Layer, the second base layer are provided with the second conductive electrode layer towards mixed layer side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989480.3U CN206057732U (en) | 2016-08-30 | 2016-08-30 | A kind of peep-proof display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620989480.3U CN206057732U (en) | 2016-08-30 | 2016-08-30 | A kind of peep-proof display |
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| Publication Number | Publication Date |
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| CN206057732U true CN206057732U (en) | 2017-03-29 |
Family
ID=58377573
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620989480.3U Active CN206057732U (en) | 2016-08-30 | 2016-08-30 | A kind of peep-proof display |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802499A (en) * | 2016-08-30 | 2017-06-06 | 苏州汉朗光电有限公司 | Peep-proof display |
| CN108648375A (en) * | 2018-03-29 | 2018-10-12 | 中电金融设备系统（深圳）有限公司 | Financial self-service equipment and its anti-peeping method, computer readable storage medium |
| JP2019095652A (en) * | 2017-11-24 | 2019-06-20 | Ｔｉａｎｍａ Ｊａｐａｎ株式会社 | Display equipment |
| CN112712754A (en) * | 2020-12-31 | 2021-04-27 | 联想(北京)有限公司 | Display device and electronic apparatus |
| US11346995B2 (en) | 2019-03-28 | 2022-05-31 | Hefei Boe Optoelectronics Technology Co., Ltd. | Backlight module, method for manufacturing same, method for controlling same, and display apparatus |
| CN115113450A (en) * | 2021-03-19 | 2022-09-27 | 福州京东方光电科技有限公司 | Display device and control method thereof |
| US12032238B2 (en) | 2019-08-02 | 2024-07-09 | Beijing Boe Optoelectronics Technology Co., Ltd. | Optical adjusting film, backlight module and display device |
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2016
- 2016-08-30 CN CN201620989480.3U patent/CN206057732U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802499A (en) * | 2016-08-30 | 2017-06-06 | 苏州汉朗光电有限公司 | Peep-proof display |
| JP2019095652A (en) * | 2017-11-24 | 2019-06-20 | Ｔｉａｎｍａ Ｊａｐａｎ株式会社 | Display equipment |
| JP7083101B2 (en) | 2017-11-24 | 2022-06-10 | Ｔｉａｎｍａ Ｊａｐａｎ株式会社 | Display device |
| CN108648375A (en) * | 2018-03-29 | 2018-10-12 | 中电金融设备系统（深圳）有限公司 | Financial self-service equipment and its anti-peeping method, computer readable storage medium |
| US11346995B2 (en) | 2019-03-28 | 2022-05-31 | Hefei Boe Optoelectronics Technology Co., Ltd. | Backlight module, method for manufacturing same, method for controlling same, and display apparatus |
| US12032238B2 (en) | 2019-08-02 | 2024-07-09 | Beijing Boe Optoelectronics Technology Co., Ltd. | Optical adjusting film, backlight module and display device |
| CN112712754A (en) * | 2020-12-31 | 2021-04-27 | 联想(北京)有限公司 | Display device and electronic apparatus |
| CN115113450A (en) * | 2021-03-19 | 2022-09-27 | 福州京东方光电科技有限公司 | Display device and control method thereof |
| CN115113450B (en) * | 2021-03-19 | 2024-05-31 | 福州京东方光电科技有限公司 | Display device and control method thereof |
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