CN108681071A - A kind of display equipment optical system - Google Patents
A kind of display equipment optical system Download PDFInfo
- Publication number
- CN108681071A CN108681071A CN201810688225.9A CN201810688225A CN108681071A CN 108681071 A CN108681071 A CN 108681071A CN 201810688225 A CN201810688225 A CN 201810688225A CN 108681071 A CN108681071 A CN 108681071A
- Authority
- CN
- China
- Prior art keywords
- lens
- color
- display panel
- optical system
- changing membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 68
- 239000012528 membrane Substances 0.000 claims abstract description 44
- 238000005286 illumination Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 19
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 230000031709 bromination Effects 0.000 claims description 2
- 238000005893 bromination reaction Methods 0.000 claims description 2
- -1 silver halide Chemical class 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 4
- 229910052794 bromium Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910000431 copper oxide Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005304 optical glass Substances 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 102200029613 rs35593767 Human genes 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 210000002189 macula lutea Anatomy 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of display equipment optical systems.The display equipment optical system includes display panel, lens and color-changing membrane and/or the color-changing membrane on the lens between the display panel and the lens, and the color-changing membrane is configured to reduce the intensity of illumination that light is irradiated on the display panel.Display equipment optical system provided by the invention can avoid ambient from causing to burn to display panel by focusing after lens.
Description
Technical field
The present invention relates to display equipment technical fields, more particularly, to a kind of display equipment optical system.
Background technology
With the prevalence of VR (virtual reality, virtual reality) product, occur many VR on the market and wear to set
It is standby, people by VR helmets can very three-dimensionally sensing device play picture, obtain experience very true to nature.
For VR helmets in imaging, the light a little sent out on screen can become directional light or less parallel by eyeglass
Light, due to reversibility of optical path, extraneous directional light (such as sunlight) can enter eyeglass, may pool one on the screen
A, the meeting calcination screen if energy is enough causes screen polaroid to fail, causes macula lutea phenomenon.
Accordingly, it is desirable to provide a kind of new technical solution, to solve the above technical problems.
Invention content
It is an object of the present invention to provide a kind of new solutions of display equipment optical system.
According to the first aspect of the invention, a kind of display equipment optical system is provided.The display equipment optical system packet
Include display panel, lens and the color-changing membrane and/or on the lens between the display panel and the lens
Color-changing membrane, the color-changing membrane are configured to reduce the intensity of illumination that light is irradiated on the display panel.
Optionally, the color-changing membrane is formed on the plane of incidence and/or outgoing plane of the lens.
Optionally, optical flat is provided between the display panel and the lens, the color-changing membrane is formed in described
Optical flat is towards on the side of the display panel and/or towards on the side of the lens.
Optionally, the distance of the relatively described lens of the optical flat is adjustable.
Optionally, the material of the lens is PMMA.
Optionally, the material of the lens is k26r.
Optionally, the transmitance of the color-changing membrane and the intensity of illumination of light are inversely proportional.
Optionally, which is characterized in that the color-changing membrane is silver halide material.
Optionally, which is characterized in that the color-changing membrane is bromination ag material.
Optionally, which is characterized in that the thickness of the color-changing membrane is 5 μm.
According to one embodiment disclosed by the invention, display equipment can avoid ambient by being focused to aobvious after lens
Show that panel causes to burn.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the schematic diagram for the display equipment optical system that specific embodiments of the present invention one provide；
Fig. 2 is the schematic diagram for the display equipment optical system that specific embodiments of the present invention two provide.
Specific implementation mode
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition having
Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention
And its application or any restrictions that use.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
The present invention provides a kind of display equipment optical systems, as shown in Figs. 1-2, including lens 1, display panel 2 and
Color-changing membrane between display panel 2 and lens 1, or the color-changing membrane on lens 1, or simultaneously in display panel 2 and thoroughly
Between mirror 1 and it is respectively provided with color-changing membrane on lens 1.
Specifically, it when the adsorption capacity on 1 surface of lens is stronger, can select color-changing membrane being set up directly on lens 1.When
When 1 superficial attractive forces of lens are relatively weak, it can select to be arranged between lens 1 and display panel 2 for optical flat to be arranged,
By the way that the weakening realized to strong light is arranged on optical flat in color-changing membrane.
Specifically, the intensity of illumination that display panel 2 generates is relatively low, and usually less than 200lx will not cause the transmission of color-changing membrane
Rate reduces, and therefore, the light of display panel 2 can be normally through color-changing membrane.On the contrary, when extraneous strong illumination color-changing membrane, example
If the intensity of illumination of sunlight is typically larger than 10000lx, color-changing membrane can be caused to change colour, to make the transmitance of color-changing membrane drop
It is low, intensity of illumination of the light after color-changing membrane is reduced, it is strong to thereby reduce the illumination that light is irradiated on display panel 2
Degree.
Display equipment optical system provided by the invention is not hindering to show by adding color-changing membrane in optical system
In the case of the light that panel 1 is sent out, reduces from the external world and irradiate the intensity of illumination into display equipment light, avoid ambient light
Line focuses on display panel 1 the problem of causing display panel 1 to burn by lens 1, improves the stabilization of display device product
Property.
Embodiment one
As shown in Figure 1, the side of lens 1 is the plane of incidence, the other side is outgoing plane, and color-changing membrane can pass through plated film or pad pasting
The methods of be formed in the plane of incidence, be either formed in outgoing plane or be formed simultaneously in the plane of incidence and outgoing plane.Optionally, lens 1
For biconvex lens or Fresnel Lenses, when lens 1 are Fresnel Lenses, the Fresnel surface of Fresnel Lenses is the plane of incidence, non-
Spherical surface is outgoing plane.
Wherein, the optical axis of lens 1 is parallel with the optical axis of display panel 2 or almost parallel, ensure that display equipment optical system
System has higher optical property.
Specifically, the material of lens 1 can be optical glass, optical plastic or optical resin, and refractive index is in 1.5-
Between 2.0.Preferably, the material of lens 1 is optical plastic K26R, and the lens surface that optical plastic K26R is formed has good
Adsorptivity can facilitate the plating of color-changing membrane to set, while also ensure that plating is located at the color-changing membrane of lens surface and is difficult to fall off, and improve
Show the stability of device product.The present invention is not limited the material of lens 1, every side that can reach similar technology effect
Case belongs to protection scope of the present invention.
Specifically, effective light pass surface of lens 1 is coated surface, and the plating for color-changing membrane is set.Optionally, Coating Materials is chlorine
Change ag material, purpling and gradual blackening can be decomposed after seeing strong light, to reduce the transmitance of light.Preferably, Coating Materials is
Silver bromide, coating film thickness are 5 μm.When strong illumination, silver bromide is decomposed into silver and bromine, and the tiny crystal grains of the silver decomposited make
Burgundy is presented in effective light pass surface of lens 1, reduces the transmitance of light；When dimming, silver and bromine urging in copper oxide
Under change effect, silver bromide is regenerated, to make the color of eyeglass shoal again, replys the transmitance of light, reaction speed is fast, keeps away
The problem of exempting from the strong light short period display panel 2 is caused to burn, the stability of display device product is further improved.
Optionally, the outgoing plane of lens 1 is be convex to human eye aspherical, and face type radius is between 50mm-200mm, circular cone
Coefficient is between -10-0；The plane of incidence of lens 1 is be convex to display panel 2 aspherical, face type radius -40mm--20mm it
Between, circular cone coefficient is between -10-0.Preferably, the face type radius of outgoing plane is 90mm, and circular cone coefficient is -2；The face of the plane of incidence
Type radius is -25mm, and circular cone coefficient is -2.
Optionally, effective clear aperature of the plane of incidence of lens 1 and outgoing plane is 44mm, and the plane of incidence and outgoing plane are in optical axis
On distance between 5mm-15mm.Preferably, which is 11mm.
Wherein, display panel 2 can be colorful display screen, and optionally, display panel 2 is LCD or OLED screen.Optionally,
Display panel 2 is rectangular, and horizontal edge size is between 35mm-70mm, and longitudinal edge size is between 35mm-70mm.Preferably, it shows
Panel is LCD screen, horizontal edge 60mm, longitudinal edge 66mm.
Specifically, lens 1 close to display panel 2 effective light pass surface at a distance from the light-emitting surface of display panel 2 in 20mm-
Between 50mm.Preferably, which is 34mm.It is higher to ensure that display equipment optical system has for the setting of above-mentioned each distance
Optical property.
Embodiment two
As shown in Fig. 2, being provided with optical flat 3 between display panel 2 and lens 1, which substantially will not be right
Light, which is formed, to be hindered and reflects, and be ensure that and is propagated when the light that display panel 2 is sent out is projected by optical flat 3 on lens 1
Circuit is kept essentially constant.Color-changing membrane can be formed in optical flat 3 towards display panel by the methods of plated film or pad pasting
Side on, be either formed in towards on the side of lens 1 or above-mentioned both sides and be respectively provided with color-changing membrane.
Wherein, lens 1, display panel 2 are parallel with the optical axis of optical flat 3 or almost parallel, ensure that display equipment light
System has higher optical property.
Further, the distance of 3 relative lens 1 of optical flat can be adjusted as needed, and ensure that in face of difference
Light percent of pass can be reduced when the strong light of intensity of illumination in time, display panel 2 is avoided and is burnt, further improve display
The stability of equipment optical system.
Optionally, the material of lens 1 can be optical glass, optical plastic or optical resin, and refractive index is in 1.5-
Between 2.0.Preferably, lens 1 are optical plastic PMMA, and the adsorption capacity on 1 surface of lens of the material is with respect in embodiment one
The adsorption capacity on 1 surface of lens is poor, but its optical property is preferable, therefore is suitble to be provided between display panel 2 and lens 1
Optical flat 3, so as to the setting of color-changing membrane.
Optionally, the outgoing plane of lens 1 is be convex to human eye aspherical, and face type radius is between 50mm-200mm, circular cone
Coefficient is between -10-0；The plane of incidence of lens 1 is be convex to display panel 2 aspherical, face type radius -40mm--20mm it
Between, circular cone coefficient is between -10-0.Preferably, the face type radius of outgoing plane is 85mm, and circular cone coefficient is -2；The face of the plane of incidence
Type radius is -24mm, and circular cone coefficient is -2.
Optionally, effective clear aperature of the plane of incidence of lens 1 and outgoing plane is 44mm, and the plane of incidence and outgoing plane are in optical axis
On distance between 5mm-15mm.Preferably, which is 11mm, ensure that display equipment optical system has higher light
Learn performance.
Optionally, effective clear aperature of optical flat 3 is 48mm, and effective light pass surface of optical flat 3 is coated surface, is used
It is set in the plating of color-changing membrane.Optionally, Coating Materials is silver chloride material, and purpling and gradual blackening can be decomposed after seeing strong light, to
Reduce the transmitance of light.Preferably, Coating Materials is silver bromide, and coating film thickness is 5 μm.When strong illumination, silver bromide point
Xie Weiyin and bromine, the tiny crystal grains of the silver decomposited make effective light pass surface of lens 1 that burgundy be presented, reduce the transmission of light
Rate；When dimming, silver and bromine regenerate silver bromide, to make the color of eyeglass again under the catalytic action of copper oxide
It shoals, replys the transmitance of light, reaction speed is fast, avoids the problem that the strong light short period causes display panel 2 to burn, into one
Step improves the stability of display device product.
Optionally, distance of the effective light pass surface of 3 both sides of optical flat on optical axis is between 0.3mm-10mm.It is preferred that
Ground, the distance are 1mm.
Wherein, display panel 2 can be colorful display screen, and optionally, display panel 2 is LCD or OLED screen.Optionally,
Display panel 2 is rectangular, and horizontal edge size is between 35mm-70mm, and longitudinal edge size is between 35mm-70mm.Preferably, it shows
Panel is LCD screen, horizontal edge 60mm, longitudinal edge 66mm.
Optionally, lens 1 close to effective light pass surface of display panel 2 at a distance from effective light-emitting surface of display panel 2
20mm-50mm.Preferably, which is 34mm.
Optionally, optical flat 3 at a distance from the light-emitting surface of display panel 2 between 10mm-40mm.It preferably, should be away from
From for 20mm.The setting of above-mentioned each distance ensure that display equipment optical system has higher optical property.
Embodiment three
The side of lens 1 is the plane of incidence, and the other side is outgoing plane, and color-changing membrane can be formed by the methods of plated film or pad pasting
In the plane of incidence, either it is formed in outgoing plane or is formed simultaneously in the plane of incidence and outgoing plane.Meanwhile display panel 2 and lens 1
Between be provided with optical flat 3, which, which will not substantially form light, hinders and refraction, and color-changing membrane can pass through
The methods of plated film or pad pasting are formed in optical flat 3 towards on the side of display panel, or are formed in the side towards lens 1
On or above-mentioned both sides be respectively provided with color-changing membrane.
Although some specific embodiments of the present invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to illustrating, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above example.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of display equipment optical system, which is characterized in that including display panel, lens and positioned at the display panel with
Color-changing membrane and/or the color-changing membrane on the lens between the lens, the color-changing membrane are configured to reduce light
The intensity of illumination being irradiated on the display panel.
2. display equipment optical system according to claim 1, which is characterized in that the color-changing membrane is formed in the lens
The plane of incidence and/or outgoing plane on.
3. display equipment optical system according to claim 1, which is characterized in that the display panel and the lens it
Between be provided with optical flat, the color-changing membrane is formed in the optical flat towards on the side of the display panel and/or court
To on the side of the lens.
4. display equipment optical system according to claim 3, which is characterized in that the relatively described lens of the optical flat
Distance be adjustable.
5. display equipment optical system according to claim 3, which is characterized in that the material of the lens is PMMA.
6. display equipment optical system according to claim 2, which is characterized in that the material of the lens is k26r.
7. display equipment optical system according to claim 1, which is characterized in that the transmitance and light of the color-changing membrane
Intensity of illumination be inversely proportional.
8. display equipment optical system according to claim 1, which is characterized in that the color-changing membrane is silver halide material.
9. display equipment optical system according to claim 1, which is characterized in that the color-changing membrane is bromination ag material.
10. display equipment optical system according to claim 9, which is characterized in that the thickness of the color-changing membrane is 5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688225.9A CN108681071A (en) | 2018-06-28 | 2018-06-28 | A kind of display equipment optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688225.9A CN108681071A (en) | 2018-06-28 | 2018-06-28 | A kind of display equipment optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108681071A true CN108681071A (en) | 2018-10-19 |
Family
ID=63812634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810688225.9A Pending CN108681071A (en) | 2018-06-28 | 2018-06-28 | A kind of display equipment optical system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108681071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298531A (en) * | 2018-11-14 | 2019-02-01 | 深圳创维新世界科技有限公司 | Light regulation device, virtual reality wear display equipment and light regulation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4447128A (en) * | 1982-12-03 | 1984-05-08 | Hughes Aircraft Company | Diffraction head up display solar radiation filter |
| CN105589200A (en) * | 2014-11-10 | 2016-05-18 | 日立乐金光科技株式会社 | Image display apparatus and head mounted display |
| CN206020706U (en) * | 2016-09-05 | 2017-03-15 | 北京耐德佳显示技术有限公司 | A kind of free curved surface prism group and the nearly eye display device using which |
| US20170323615A1 (en) * | 2016-05-05 | 2017-11-09 | Ostendo Technologies, Inc. | Methods and Apparatus for Active Transparency Modulation |
| CN208569189U (en) * | 2018-06-28 | 2019-03-01 | 青岛小鸟看看科技有限公司 | A kind of display equipment optical system |
-
2018
- 2018-06-28 CN CN201810688225.9A patent/CN108681071A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4447128A (en) * | 1982-12-03 | 1984-05-08 | Hughes Aircraft Company | Diffraction head up display solar radiation filter |
| CN105589200A (en) * | 2014-11-10 | 2016-05-18 | 日立乐金光科技株式会社 | Image display apparatus and head mounted display |
| US20170323615A1 (en) * | 2016-05-05 | 2017-11-09 | Ostendo Technologies, Inc. | Methods and Apparatus for Active Transparency Modulation |
| CN206020706U (en) * | 2016-09-05 | 2017-03-15 | 北京耐德佳显示技术有限公司 | A kind of free curved surface prism group and the nearly eye display device using which |
| CN208569189U (en) * | 2018-06-28 | 2019-03-01 | 青岛小鸟看看科技有限公司 | A kind of display equipment optical system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298531A (en) * | 2018-11-14 | 2019-02-01 | 深圳创维新世界科技有限公司 | Light regulation device, virtual reality wear display equipment and light regulation method |
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