CN104678641A - Color filter substrate, production method thereof and display device - Google Patents
Color filter substrate, production method thereof and display device Download PDFInfo
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- CN104678641A CN104678641A CN201510117050.2A CN201510117050A CN104678641A CN 104678641 A CN104678641 A CN 104678641A CN 201510117050 A CN201510117050 A CN 201510117050A CN 104678641 A CN104678641 A CN 104678641A
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- color blocking
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- membrane substrates
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133519—Overcoatings
Abstract
The invention provides a color filter substrate, a production method thereof and a display device. The color filter substrate comprises a substrate, a color resistance layer and a lens layer, wherein the color resistance layer is arranged on the substrate, the lens layer is superposed with the color resistance layer, the color resistance layer comprises a plurality of color resistance units, the lens layer comprises microlens units which are opposite to the color resistance units one to one, and each microlens unit is used for concentrating outside light onto the opposite color resistance unit. By additionally arranging the lens layer superposed with the color resistance layer in the color filter substrate, the lens layer is utilized to concentrate the outside light of each subpixel in a display panel to reduce the quantity of the outside light which directly enters and enters the neighboring subpixels after reflection by passing through the color resistance units, so the luminous exitance is increased, the mutual crosstalk between the neighboring subpixels is reduced, and the contrast and color gamut of display are increased.
Description
Technical field
The present invention relates to display field, particularly relate to a kind of color membrane substrates and preparation method thereof, display device.
Background technology
At present, in the world close to the people of half in outside work, activity, traditional display (active, backlight) device is difficult to normal display when sunlight is strong out of doors.And reflective display can utilize surround lighting to irradiate device, the pixel cell of device reaches the object of display by reflect ambient light, surround lighting is stronger, and display effect is better, which solves a difficult problem for the outdoor display of device.
In reflective display, pixel region on array base palte is the metal area with high reflectance, can reflect ambient light, the output intensity of each pixels of regulation and control such as liquid crystal light valve, MEMS light valve, the wetting light valve of electricity can be set above it, in order to reach full-color display, also need to arrange color film (RGB optical filter) substrate again at array base palte.But because usual surround lighting is directional light or scattered light, these light and panel have certain angle usually, therefore most of light is had to be difficult to cause light efficiency too low by reflecting effective secondary outgoing panel, this external light can penetrate from neighbor after reflective pixel electrodes reflection, cause mutual crosstalk, reduce contrast and colour gamut, as shown in Figure 1, occur in the process of reflection from extraneous incident light transmission color membrane substrates 1 ' at array base palte 2 ', some light enters other adjacent subpixels through reflection, thus cause most of inefficient reflections, therefore reflectivity is lower, and because light enters adjacent subpixels, also create the crosstalk between sub-pixel, contrast, degradation problem under colour gamut.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is for existing reflective display panel, how to reduce the mutual crosstalk between adjacent subpixels.
(2) technical scheme
For solving the problems of the technologies described above, technical scheme of the present invention provides a kind of color membrane substrates, comprise underlay substrate, be arranged on the color blocking layer on described underlay substrate and fold with described color blocking the lens jacket arranged layer by layer, described color blocking layer comprises multiple color blocking unit, described lens jacket comprises the lenticule unit just right one by one with each color blocking unit, and lenticule unit described in each is for converging extraneous light to just right color blocking unit.
Further, described color membrane substrates also comprises and being arranged between described multiple color blocking unit with the first black matrix mutually separated by described multiple color blocking unit.
Further, described color membrane substrates also comprises and being arranged between multiple described lenticule unit with the second black matrix mutually separated by multiple described lenticule unit.
Further, described lens jacket is arranged on the side of described underlay substrate described color blocking layer dorsad, and described lens jacket is also formed with protective seam.
Further, the refractive index of described protective seam is less than the refractive index of described lens jacket.
For solving the problems of the technologies described above, present invention also offers a kind of display device, comprising above-mentioned arbitrary color membrane substrates.
For solving the problems of the technologies described above, present invention also offers a kind of method for making of color membrane substrates, comprise: on underlay substrate, form color blocking layer and fold with described color blocking the lens jacket arranged layer by layer, described color blocking layer comprises multiple color blocking unit, described lens jacket comprises the lenticule unit just right one by one with each color blocking unit, and lenticule unit described in each is for converging extraneous light to just right color blocking unit.
Further, described formed on underlay substrate color blocking layer and with described color blocking layer by layer the folded lens jacket arranged comprise:
Underlay substrate is formed color blocking layer, and described color blocking layer comprises multiple color blocking unit;
Described underlay substrate dorsad described color blocking layer side formed photoresist layer;
Patterned process is carried out with the transparent cell formed and each color blocking unit is just right one by one to described photoresist layer, and the stepped structure in the edge of transparent cell described in each;
Carrying out ashing process makes each transparent cell form lentoid.
Further, the thickness of described photoresist layer is 4um-8um.
Further, described on underlay substrate, form color blocking layer before also comprise:
Form the first black matrix at described underlay substrate for the formation of the side of described color blocking layer, described first black matrix is used for mutually separating between described multiple color blocking unit.
Further, describedly dorsad at described underlay substrate formed before photoresist layer and also comprise in the side of described color blocking layer:
Form the second black matrix in the side of described underlay substrate described color blocking layer dorsad, described second black matrix is used for mutually separating between multiple lenticule unit.
Further, carry out described in also comprising after ashing process makes each transparent cell formation lentoid: on described lens jacket, form protective seam.
(3) beneficial effect
Color membrane substrates provided by the invention, by setting up in color membrane substrates and the color blocking folded lens jacket arranged layer by layer, and make each the lenticule unit in lens jacket and the color blocking unit in color blocking layer one by one just to setting, the gathering of each sub-pixel extraneous light in display panel can be realized by this lens jacket, reduce extraneous light through directly entering after color blocking unit and entering the light quantity of adjacent subpixels after reflecting, thus improve the exitance of light, reduce the mutual crosstalk between adjacent subpixels, improve contrast and the colour gamut of display.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing a kind of reflective display panel;
Fig. 2 is the schematic diagram of a kind of color membrane substrates that embodiment of the present invention provides;
Fig. 3 is the schematic diagram of the another kind of color membrane substrates that embodiment of the present invention provides;
Fig. 4 is the schematic diagram of another color membrane substrates that embodiment of the present invention provides;
Fig. 5 is the schematic diagram of a kind of display device that embodiment of the present invention provides;
Fig. 6-8 is a kind of schematic diagram making color membrane substrates that embodiment of the present invention provides.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment of the present invention provides a kind of color membrane substrates, this color membrane substrates comprises underlay substrate, is arranged on the color blocking layer on described underlay substrate and folds with described color blocking the lens jacket arranged layer by layer, described color blocking layer comprises multiple color blocking unit, described lens jacket comprises the lenticule unit just right one by one with each color blocking unit, and lenticule unit described in each is for converging extraneous light to just right color blocking unit.
The color membrane substrates that embodiment of the present invention provides, by setting up in color membrane substrates and the color blocking folded lens jacket arranged layer by layer, and make each the lenticule unit in lens jacket and the color blocking unit in color blocking layer one by one just to setting, the gathering of each sub-pixel extraneous light in display panel can be realized by this lens jacket, reduce extraneous light through directly entering after color blocking unit and entering the light quantity of adjacent subpixels after reflecting, thus improve the exitance of light, reduce the mutual crosstalk between adjacent subpixels, improve contrast and the colour gamut of display.
See the schematic diagram that Fig. 2, Fig. 2 are a kind of color membrane substrates that embodiment of the present invention provides, this color membrane substrates comprises underlay substrate 11, color blocking layer 12 and the lens jacket 13 with the stacked setting of color blocking layer 12;
Wherein, color blocking layer 12 comprises the color blocking unit 121 of multiple color, each color blocking unit 121 corresponds to a sub-pixel of display panel, the first black matrix 15 is provided with between each color blocking unit, by this first black matrix 15, each color blocking unit on color blocking layer 12 is separated mutually, thus the mutual separation realized between display panel sub-pixel, such as, this color blocking layer can comprise red color resistance unit, green color blocking unit and blue color blocking unit, and red color resistance unit, green color blocking unit and blue color blocking unit are periodic arrangement on underlay substrate, realize the display mode of RGB,
Lens jacket 13 comprises the lenticule unit 131 just right one by one with each color blocking unit 121, each lenticule unit 131 is for converging extraneous light to just right color blocking unit, such as, each lenticule can be the structure of plano-convex lens, its plane is arranged on underlay substrate, its convex surface underlay substrate dorsad, each lenticule unit can adopt photoresist (photoresist) to make;
In the color membrane substrates that embodiment of the present invention provides, lens jacket 13 can be arranged on the same side of underlay substrate with color blocking layer 12, also the side of underlay substrate color blocking layer 12 dorsad can be arranged on, preferably, in order to simplify production process, lens jacket 13 can be set directly at the side of underlay substrate color blocking layer 12 dorsad;
Preferably; can also transparent protective seam 14 be set on lens jacket 13, thus the damage that outer bound pair lens jacket causes can be prevented, in addition; for ensureing the spotlight effect of the lenticule unit in lens jacket, the refractive index of protective seam 14 can be less than the refractive index of lens jacket 13.
See the schematic diagram that Fig. 3, Fig. 3 are the another kind of color membrane substrates that embodiment of the present invention provides, this color membrane substrates comprise underlay substrate 11, color blocking layer 12, with the lens jacket 13 of the stacked setting of color blocking layer 12 and the protective seam 14 that is arranged on lens jacket 13;
Wherein, color blocking layer 12 comprises the color blocking unit 121 of multiple color, and each color blocking unit corresponds to a sub-pixel of display panel;
Lens jacket 13 comprises the lenticule unit 131 just right one by one with each color blocking unit 121, each lenticule unit 131 is for converging extraneous light to just right color blocking unit, the second black matrix 16 is also provided with between each lenticule unit 131, by this second black matrix 16, each lenticule unit 131 on lens jacket 13 is separated mutually, thus realize the mutual separation in display panel between each sub-pixel.
See the schematic diagram that Fig. 4, Fig. 4 are another color membrane substrates that embodiment of the present invention provides, this color membrane substrates comprise underlay substrate 11, color blocking layer 12, with the lens jacket 13 of the stacked setting of color blocking layer 12 and the protective seam 14 that is arranged on lens jacket 13;
Wherein, color blocking layer 12 comprises the color blocking unit 121 of multiple color, each color blocking unit corresponds to a sub-pixel of display panel, is provided with the first black matrix 15, is mutually separated by each color blocking unit on color blocking layer 12 by this first black matrix 15 between each color blocking unit;
Lens jacket 13 comprises the lenticule unit 131 just right one by one with each color blocking unit 121, each lenticule unit 131 is for converging extraneous light to just right color blocking unit, be provided with the second black matrix 16 between each lenticule unit 131, by this second black matrix 16, each lenticule unit 131 on lens jacket 13 separated mutually;
In the color membrane substrates that embodiment of the present invention provides, the second black matrix setting facing each other of the in colour cell layer first black matrix and lens jacket, the separation on display panel between sub-pixel is jointly realized by this first black matrix and this second black matrix, and relative to only arranging the mode of the black matrix of one deck in Fig. 1 and Fig. 2, the color membrane substrates that embodiment of the present invention provides can prevent the mutual crosstalk between adjacent subpixels further.
In addition, embodiment of the present invention additionally provides a kind of display device, comprises above-mentioned color membrane substrates.Wherein, the display device that embodiment of the present invention provides can be any product or parts with Presentation Function such as note-book computer display screen, liquid crystal display, LCD TV, digital album (digital photo frame), mobile phone, panel computer.
See Fig. 5, Fig. 5 is the schematic diagram of a kind of display device that embodiment of the present invention provides, this display device is reflective display, it comprises above-mentioned color membrane substrates 1 and array base palte 2, wherein, each color blocking unit 121 on color membrane substrates and a subpixel area on array base palte are just to setting, as shown in Figure 5, scioptics layer 13 can realize the gathering of each sub-pixel extraneous light in display panel, reduce extraneous light through directly entering after color blocking unit and entering the light quantity of adjacent subpixels after reflecting, thus improve the exitance of light, reduce the mutual crosstalk between adjacent subpixels, thus improve contrast and the colour gamut of display.
In addition, embodiment of the present invention additionally provides a kind of method for making of color membrane substrates, comprise: on underlay substrate, form color blocking layer and fold with described color blocking the lens jacket arranged layer by layer, described color blocking layer comprises multiple color blocking unit, described lens jacket comprises the lenticule unit just right one by one with each color blocking unit, and lenticule unit described in each is for converging extraneous light to just right color blocking unit;
Wherein, underlay substrate is formed color blocking layer and folds with color blocking the lens jacket arranged layer by layer and specifically comprise:
S1: form color blocking layer on underlay substrate, described color blocking layer comprises multiple color blocking unit;
S2: described underlay substrate dorsad described color blocking layer side formed photoresist layer, particularly, see Fig. 6, the photoresist layer 1310 of layer of transparent can be applied in the back side of underlay substrate (i.e. the side of underlay substrate color blocking layer 12 dorsad), its thickness can be 4um-8um, such as, can be 5um, 6um, 7um etc.;
S3: patterned process is carried out with the transparent cell formed and each color blocking unit is just right one by one to described photoresist layer, and the stepped structure in the edge of transparent cell described in each, particularly, see Fig. 7, gray tone mask (Gray Tone Mask) technique can be adopted to carry out patterned process to photoresist layer 1310, thus form the transparent cell 1311 just right one by one with each color blocking unit 121, and make the stepped structure in the edge of each transparent cell 1311;
S4: carry out ashing process and make each transparent cell form lentoid, see Fig. 8, each transparent cell 1311 forms lenticule unit 131 after ashing process.
Preferably, also comprised before step S1:
Form the first black matrix at described underlay substrate for the formation of the side of described color blocking layer, described first black matrix is used for mutually separating between described multiple color blocking unit.
Preferably, also comprised before step S2:
Form the second black matrix in the side of described underlay substrate described color blocking layer dorsad, described second black matrix is used for mutually separating between multiple lenticule unit.
Preferably, also comprise after step s4: on described lens jacket, form protective seam.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (12)
1. a color membrane substrates, it is characterized in that, comprise underlay substrate, be arranged on the color blocking layer on described underlay substrate and fold with described color blocking the lens jacket arranged layer by layer, described color blocking layer comprises multiple color blocking unit, described lens jacket comprises the lenticule unit just right one by one with each color blocking unit, and lenticule unit described in each is for converging extraneous light to just right color blocking unit.
2. color membrane substrates according to claim 1, is characterized in that, described color membrane substrates also comprises and being arranged between described multiple color blocking unit with the first black matrix mutually separated by described multiple color blocking unit.
3. color membrane substrates according to claim 1 and 2, is characterized in that, described color membrane substrates also comprises and being arranged between multiple described lenticule unit with the second black matrix mutually separated by multiple described lenticule unit.
4. color membrane substrates according to claim 1, is characterized in that, described lens jacket is arranged on the side of described underlay substrate described color blocking layer dorsad, and described lens jacket is also formed with protective seam.
5. color membrane substrates according to claim 4, is characterized in that, the refractive index of described protective seam is less than the refractive index of described lens jacket.
6. a display device, is characterized in that, comprise as arbitrary in claim 1-5 as described in color membrane substrates.
7. the method for making of a color membrane substrates, it is characterized in that, comprise: on underlay substrate, form color blocking layer and fold with described color blocking the lens jacket arranged layer by layer, described color blocking layer comprises multiple color blocking unit, described lens jacket comprises the lenticule unit just right one by one with each color blocking unit, and lenticule unit described in each is for converging extraneous light to just right color blocking unit.
8. the method for making of color membrane substrates according to claim 7, is characterized in that, described formed on underlay substrate color blocking layer and with described color blocking layer by layer the folded lens jacket arranged comprise:
Underlay substrate is formed color blocking layer, and described color blocking layer comprises multiple color blocking unit;
Described underlay substrate dorsad described color blocking layer side formed photoresist layer;
Patterned process is carried out with the transparent cell formed and each color blocking unit is just right one by one to described photoresist layer, and the stepped structure in the edge of transparent cell described in each;
Carrying out ashing process makes each transparent cell form lentoid.
9. the method for making of color membrane substrates according to claim 8, is characterized in that, the thickness of described photoresist layer is 4um-8um.
10. the method for making of color membrane substrates according to claim 8, is characterized in that, described on underlay substrate, form color blocking layer before also comprise:
Form the first black matrix at described underlay substrate for the formation of the side of described color blocking layer, described first black matrix is used for mutually separating between described multiple color blocking unit.
The method for making of the color membrane substrates described in 11. according to Claim 8 or 10, is characterized in that, describedly dorsad at described underlay substrate is formed before photoresist layer and also comprises in the side of described color blocking layer:
Form the second black matrix in the side of described underlay substrate described color blocking layer dorsad, described second black matrix is used for mutually separating between multiple lenticule unit.
The method for making of 12. color membrane substrates according to claim 8, is characterized in that, described in carry out ashing process and each transparent cell formed after lentoid also comprise: on described lens jacket, form protective seam.
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| CN201510117050.2A CN104678641A (en) | 2015-03-17 | 2015-03-17 | Color filter substrate, production method thereof and display device |
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| CN201510117050.2A CN104678641A (en) | 2015-03-17 | 2015-03-17 | Color filter substrate, production method thereof and display device |
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| CN104678641A true CN104678641A (en) | 2015-06-03 |
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| CN105974645A (en) * | 2016-07-14 | 2016-09-28 | 京东方科技集团股份有限公司 | Optical structure, display panel and display device |
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| CN114545534A (en) * | 2020-11-24 | 2022-05-27 | 京东方科技集团股份有限公司 | Lens assembly, manufacturing method thereof and display device |
| CN114721196A (en) * | 2022-05-12 | 2022-07-08 | 北京京东方光电科技有限公司 | Display panel, driving method thereof and display device |
| CN115268137A (en) * | 2022-09-14 | 2022-11-01 | 深圳思瑞光电科技有限公司 | TFT liquid crystal display device and manufacturing method thereof |
| WO2022226725A1 (en) * | 2021-04-26 | 2022-11-03 | 京东方科技集团股份有限公司 | Optical module and manufacturing method therefor, and display apparatus |
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