CN206564253U - The display backpanel of panchromatic scanning display apparatus - Google Patents
The display backpanel of panchromatic scanning display apparatus Download PDFInfo
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- CN206564253U CN206564253U CN201720187544.2U CN201720187544U CN206564253U CN 206564253 U CN206564253 U CN 206564253U CN 201720187544 U CN201720187544 U CN 201720187544U CN 206564253 U CN206564253 U CN 206564253U
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- silica gel
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- fluorescent material
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Abstract
The utility model discloses a kind of display backpanel of panchromatic scanning display apparatus, including substrate and the cavity for being packaged with silica gel being arranged in substrate；The cavity is the unit groove being distributed into array of multiple transverse and longitudinal perpendicular separations, or is the elongated slot at the horizontally-parallel interval of multirow；The every four adjacent unit grooves are a pixel, and the fluorescent material and silica gel of different colours are encapsulated respectively；Or the fluorescent material and silica gel of different colours are encapsulated in every four row or the adjacent elongated slot of three rows.The utility model forms the cavity of multiple encapsulation fluorescent material to imitate the fluorescent material of encapsulation different colours in display pixel, each cavity in substrate, thus obtains coloury display.
Description
Technical field
The utility model is related to a kind of display backpanel of panchromatic scanning display apparatus.
Background technology
Come back display head-up display (Head Up Display), abbreviation HUD in other words, is generally to be used in boat at present
Flight supplementary instrument on aircraft at present on pocket, it can by flight parameter, aim at attack, the information such as Autonomous test, in the form of image, character,
Projected by optical component in the optical electrical display device immediately ahead of cockpit on compound glass.Pilot sees through compound glass
When examining scenery out of my cabin, the information such as the character being superimposed upon on outdoor scene, image can be seen simultaneously, and project focal length positioned at imaging group
Combined glass glass is located at front, makes pilot hardly with change eyes focal length, you can easily to watch flight parameter, visibility at any time
Also it will not be influenceed by solar radiation.With the fast development of science and technology, new line Display Technique is had been applied on high-end car.
But all there is the defect that color is single, complicated, volume is larger in existing HUD and scanning projector.
Utility model content
The purpose of this utility model is to provide a kind of the aobvious of panchromatic scanning display apparatus that can show that abundant color
Show bottom plate.
The technical scheme for realizing the utility model purpose is the display backpanel of panchromatic scanning display apparatus, including substrate and is set
Put the cavity for being packaged with silica gel in substrate；The cavity is the unit being distributed into array of multiple transverse and longitudinal perpendicular separations
Groove, or be the elongated slot at the horizontally-parallel interval of multirow；The every four adjacent unit grooves are a pixel, are encapsulated respectively different
The fluorescent material and silica gel of color；Or the fluorescent material and silicon of different colours are encapsulated in every four row or the adjacent elongated slot of three rows
Glue.
The every four adjacent unit grooves are packaged with the silica gel containing red fluorescence powder, containing yellow fluorescent powder respectively
Silica gel, the silica gel containing green emitting phosphor and the silica gel without fluorescent material for reflecting blue light；Adjacent described of every four row
Elongated slot is packaged with the silica gel containing red fluorescence powder, the silica gel containing yellow fluorescent powder, the silica gel containing green emitting phosphor and is used for respectively
Reflect the silica gel without fluorescent material of blue light；The adjacent elongated slot of every three row is packaged with the silicon containing red fluorescence powder respectively
Glue, the silica gel containing green emitting phosphor and the silica gel containing yellow fluorescent powder.
The section of the unit groove is wide at the top and narrow at the bottom trapezoidal or is del or is circular arc type；The elongated slot
Rectangular cross-section or circular arc are triangle or are wide at the top and narrow at the bottom trapezoidal.
Coating is set on each cavity inner wall；The coating is the metal or organic/inorganic substance of enhancing visible reflectance
Coating reflective membrane.
The coating is aluminium coated.
Each cavity size shape is consistent, and size is required to determine by display pixel.
The substrate is substrate of glass, and the cavity is the unit groove of arc for section or section is the elongated slot of arc.
The substrate is silicon base, and the cavity is that section is trapezoidal or del unit groove wide at the top and narrow at the bottom,
Or the elongated slot of rectangular cross-section, cavity is etching formation on a silicon substrate.
The substrate is plastic-substrates, and the cavity is formed for nano print on the plastic substrate.
After adopting the above technical scheme, the utility model has following positive effect：(1) the utility model is used
The unit groove being distributed into array of transverse and longitudinal perpendicular separation is set in substrate, or is the shape of the elongated slot at the horizontally-parallel interval of multirow
Formula imitates display pixel, and adjacent four or adjacent four row or adjacent three an actor's rendering of an operatic tune body are as a pixel, and encapsulation contains different face
The silica gel or pure silicon glue of the fluorescent material of color, pass through red, green, yellow other color fluorescences of grade of the blue laser deexcitation for scanning short wavelength
Powder mode, scans the power of blue laser and determines the bright of each pixel in the time that the stop of each color fluorescence powder unit is excited
Degree and blend of colors, thus reach coloury display effect.
(2) shape of cavity of the present utility model has a variety of selections, and silicon base effect preferably, can be made most compact,
But the cost of plastic-substrates and substrate of glass is lower, it can be selected according to the actual process condition used.
(3) fluorescent material of the green three kinds of colors of reddish yellow is placed in cell body of the present utility model, when carrying out panchromatic scanning display,
It need to only be aided in the blue laser of the shorter power adjustable of visible ray medium wavelength by micro electromechanical scanning micro mirror and other optics
System scanning is irradiated on display backpanel of the present utility model, and blue laser is got on the green three kinds of fluorescent material of reddish yellow, just can be excited
Go out the light (longer than blue light wavelength) of other wavelength, by the power and stay time that control blue laser, it is possible to which mixing out needs
The color wanted, blue laser is got on the silica gel without fluorescent material, or blue laser is docked to the place without fluorescent material, just
Blueness can be reflected；If when certain pixel is arrived in scanning by laser shutdown, the pixel is black or dead color.
(4) the utility model is aluminized or metal film or other inorganic matter coatings such as silver-colored or gold-plated in cavity inner wall,
Reflecting effect can be strengthened, while heat dispersion can also be improved.
(5) size of cavity of the present utility model is determined by the pixel request for the image for needing to show, widely applicable.
Brief description of the drawings
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached
Figure, is described in further detail to the utility model, wherein
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of one pixel of the utility model.
Fig. 3 is the schematic side view of this structures of Fig. 1.
Fig. 4 is another structural representation of the present utility model.
Fig. 5 is the schematic side view of this structures of Fig. 4.
Fig. 6 is the schematic side view of another structure.
Fig. 7 is the schematic side view of another structure.
In accompanying drawing marked as：
Substrate 1, cavity 2, skewed slot 21, straight trough 22, coating 23, fluorescent material and silica gel 3.
Embodiment
(embodiment 1)
See Fig. 1 to Fig. 3, and Fig. 6, the display backpanel of the panchromatic scanning display apparatus of the present embodiment, including silicon substrate ground
The section of the array distribution of the substrate 1 and etching of matter on a silicon substrate is trapezoidal skewed slot wide at the top and narrow at the bottom, and these skewed slots are made
To encapsulate the cavity 2 of fluorescent material；Silica gel is packaged with each cavity 2；As shown in Fig. 2 every four adjacent cavitys 2 are used as one
Display pixel, encapsulates the silica gel containing red fluorescence powder, the silica gel containing yellow fluorescent powder, the silica gel containing green emitting phosphor and use respectively
In the silica gel without fluorescent material of reflection blue light.For more preferable reflecting effect, coating 23 is set on each inwall of cavity 2.Plating
Layer 23 is that aluminium coated is most suitable selection, and cost is controllable.Each cavity size shape is consistent, and size is true by display pixel requirement
It is fixed, such as 400um × 400um pixel frame can be made up of four 200um × 200um cavity 2.
Preparation method, comprises the following steps：
Step one：Prepare silicon base；Silicon base uses SOI wafer or monocrystalline silicon wafer crystal；
Step 2：One layer of silicon nitride or silicon oxide film, wet method are covered using chemical deposition CVD method in silicon substrate surface
Or plasma dry etch method is etched away after silica or silicon nitride diaphragm, lost using basic solvent TMAH or KOH wet method
Carve, along 100 facet etches of silicon into section be trapezoidal element groove wide at the top and narrow at the bottom；Can certainly be etched into shown in Fig. 6 fall three
Corner shaped elements groove 21；
Step 3：Aluminized or other metals or inorganic matter coating in each silicon cup inwall, form coating 23, Ran Hou
Encapsulation fluorescent material and silica gel 3 in silicon cup.It is a unit with four adjacent cavitys 2, in mode for dispensing glue in four cavitys 2
The silica gel containing red fluorescence powder, the silica gel containing yellow fluorescent powder, the green emitting phosphor containing silica gel and for reflecting indigo plant are encapsulated respectively
The silica gel without fluorescent material of light.
This structure of the present embodiment, it would however also be possible to employ entered on the plastic substrate with the roller of special (according to required pattern)
Row nano print is obtained, such as the del unit groove 21 of Fig. 6.Or buffered hydrofluoric acid BHF is used in use on the glass substrate
Corrode with hydrofluoric acid HF and need cavity, but because the etching of hydrofluoric acid is isotropic, therefore the section of cavity is transverse and longitudinal
Spaced circular arc unit groove (as shown in Figure 7), or section are horizontally-parallel spaced semicircle or circular arc
The elongated slot of shape.Using the structure of the present embodiment, because cavity is that up big and down small trapezoidal (angle of inclined-plane and horizontal plane is generally
72 °), deposition is easier during dot fluorescent powder, namely the packaging technology of fluorescent material is easily operated, but be due to that opening is larger, such as
Fruit needs very high pixel, may require that on etch process higher.
When carrying out panchromatic scanning display, it is irradiated to blue laser on the display backpanel of the present embodiment, it is blue by controlling
The power and stay time of color laser, it is possible to mix out the color of needs, if blue laser is rotated, can also be stood
The display effect of body.
(embodiment 2)
See Fig. 4 and Fig. 5, the places different from embodiment 1 are：The shape of cavity 2 uses the straight trough at horizontally-parallel interval
23, along 110 facet etches of silicon, the silica gel containing red fluorescence powder is encapsulated respectively in the adjacent straight trough 23 of four rows, containing yellow fluorescent powder
Silica gel, the silica gel containing green emitting phosphor and the pure silicon without fluorescent material for reflecting blue light.Advantage of this is that：According to
The structure of silicon atom, along 110 facet etches, can carve groove of the same size up and down, such advantage is that opening can be compared with
Small, so that pixel can be very high, and can be made smaller by display backpanel, facilitating use in needs the occasion of smaller size smaller.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done etc. all should be wrapped
It is contained within protection domain of the present utility model.
Claims (7)
1. the display backpanel of panchromatic scanning display apparatus, it is characterised in that：Including substrate (1) and the envelope being arranged in substrate (1)
Cavity (2) equipped with silica gel；The cavity (2) is the unit groove (21) being distributed into array of multiple transverse and longitudinal perpendicular separations, or
Person is the elongated slot (22) at the horizontally-parallel interval of multirow；The every four adjacent unit grooves (21) are a pixel, are encapsulated respectively
The fluorescent material and silica gel (3) of different colours；Or encapsulation different colours in every four row or the adjacent elongated slot (22) of three rows
Fluorescent material and silica gel (3).
2. the display backpanel of panchromatic scanning display apparatus according to claim 1, it is characterised in that：Described every four adjacent
The unit groove (21) be packaged with the silica gel containing red fluorescence powder, the silica gel containing yellow fluorescent powder respectively, containing green emitting phosphor
Silica gel and the silica gel without fluorescent material for reflecting blue light；The adjacent elongated slot (22) of every four row is packaged with respectively
Silica gel containing red fluorescence powder, the silica gel containing yellow fluorescent powder, the silica gel containing green emitting phosphor and for reflecting being free of for blue light
The silica gel of fluorescent material；The adjacent elongated slot (22) of every three row is packaged with the silica gel containing red fluorescence powder, containing green respectively
The silica gel of fluorescent material and the silica gel containing yellow fluorescent powder.
3. the display backpanel of panchromatic scanning display apparatus according to claim 1, it is characterised in that：The unit groove (21)
Section be wide at the top and narrow at the bottom trapezoidal or be del or be circular arc type；The rectangular cross-section of the elongated slot (22) or
Circular arc is triangle or is wide at the top and narrow at the bottom trapezoidal.
4. the display backpanel of panchromatic scanning display apparatus according to claim 2, it is characterised in that：Each cavity
(2) coating (23) is set on inwall；The coating (23) is the metal or inorganic matter coating reflective membrane of enhancing visible reflectance.
5. the display backpanel of panchromatic scanning display apparatus according to claim 4, it is characterised in that：The coating (23) be
Aluminium coated.
6. the display backpanel of panchromatic scanning display apparatus according to claim 3, it is characterised in that：Each cavity
(2) size shape is consistent, and size is required to determine by display pixel.
7. the display backpanel of the panchromatic scanning display apparatus according to one of claim 1-6, it is characterised in that：The substrate
(1) it is substrate of glass, the cavity (2) is the unit groove (21) of arc for section or section is the elongated slot (22) of arc；Or
Substrate described in person (1) is silicon base, and the cavity (2) is that section is trapezoidal or del unit groove wide at the top and narrow at the bottom
(21), or rectangular cross-section elongated slot (22)；The cavity (2) is formed for etching on a silicon substrate；Or the substrate (1)
For plastic-substrates, the cavity (2) is formed for nano print on the plastic substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720187544.2U CN206564253U (en) | 2017-02-28 | 2017-02-28 | The display backpanel of panchromatic scanning display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720187544.2U CN206564253U (en) | 2017-02-28 | 2017-02-28 | The display backpanel of panchromatic scanning display apparatus |
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| Publication Number | Publication Date |
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| CN206564253U true CN206564253U (en) | 2017-10-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684083A (en) * | 2017-02-28 | 2017-05-17 | 常州精睿新能源汽车技术有限公司 | Display base plate of panchromatic scanning display apparatus and manufacturing method thereof |
-
2017
- 2017-02-28 CN CN201720187544.2U patent/CN206564253U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684083A (en) * | 2017-02-28 | 2017-05-17 | 常州精睿新能源汽车技术有限公司 | Display base plate of panchromatic scanning display apparatus and manufacturing method thereof |
| CN106684083B (en) * | 2017-02-28 | 2020-06-09 | 常州精睿新能源汽车技术有限公司 | Display bottom plate of full-color scanning display device and manufacturing method thereof |
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