CN105551376A - Manufacturing method of composite LED glass basal panel - Google Patents
Manufacturing method of composite LED glass basal panel Download PDFInfo
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- CN105551376A CN105551376A CN201410597038.1A CN201410597038A CN105551376A CN 105551376 A CN105551376 A CN 105551376A CN 201410597038 A CN201410597038 A CN 201410597038A CN 105551376 A CN105551376 A CN 105551376A
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- led wafer
- lining paper
- glass substrate
- monochromatic led
- glass
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- 239000011521 glass Substances 0.000 title claims abstract description 59
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000011159 matrix material Substances 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000007731 hot pressing Methods 0.000 claims abstract description 8
- 238000000137 annealing Methods 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 3
- 235000012431 wafers Nutrition 0.000 abstract 8
- 230000004927 fusion Effects 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 1
- 210000003719 b-lymphocyte Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Led Device Packages (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to a manufacturing method of a composite LED glass basal panel. The manufacturing method comprises the following steps: preparing a glass substrate; forming a plurality of matrix grooves at equal intervals in the glass substrate; enabling the light-exiting surfaces of a plurality of monochrome LED wafers to attach to first lining paper, and carrying out grading; carrying out mould replacement on the plurality of graded monochrome LED wafers, so that the electrode sides of the plurality of monochrome LED wafers respectively attach to a plurality of pieces of second lining paper; then respectively carrying out mould replacement so that the monochrome LED wafers attach to third lining paper; and carrying out expanding operation on the third lining paper, wherein the intervals among the plurality of monochrome LED wafers for bearing are equal to those among the matrix grooves; packaging the plurality of monochrome LED wafers on the third lining paper into the matrix grooves; carrying out positional hot pressing on the glass substrate and the plurality of monochrome LED wafers, so that the glass substrate is in the fusion state, and therefore, after cooling, the plurality of monochrome LED wafers can be embedded in the matrix grooves of the glass substrate; carrying out grinding and polishing on first surfaces; and annealing to obtain the composite LED glass basal panel.
Description
Technical field
The present invention relates to semiconductor applications, particularly relate to a kind of manufacture method of composite LED glass-based panel.
Background technology
Bottleneck is there is in traditional LED display technique in high density field, because be limited by the traditional structure of LED light source, be limited by the material structure involved by module of rear integrated processing simultaneously, the driving capacity of for example traditional constant current source encapsulation and structure, the thermally labile sex chromosome mosaicism of the integrated finished product that the loose material of traditional FR4 circuit board is brought and flatness strength problem, and for installing the injection moulding face shield be spliced into required for giant-screen and the integrity problem etc. moulding shell, all seriously limit the breakthrough of LED display technique in high density field.
Therefore, how to realize a kind of LED of being applicable to show high density field in can low cost, meet large scale splicing needs LED display panel, be problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of manufacture method of composite LED glass-based panel, described method technique is simple, and cost is low, can meet the needs of large scale splicing, be suitable for large-scale production and application.
First aspect, the invention provides a kind of manufacture method of composite LED glass-based panel, comprising:
Prepare glass substrate; The first surface of described glass substrate has multiple equally spaced matrix groove, the length and width of described matrix groove, the degree of depth, spacing dimension are equal all respectively;
The exiting surface of multiple monochromatic LED wafer is affixed on respectively on multiple first lining paper;
Respectively classification is carried out to described multiple monochromatic LED wafer;
Respectively reverse mould is carried out to the multiple monochromatic LED wafer after classification; After described reverse mould, the electrode side of described multiple monochromatic LED wafer is affixed on multiple second lining paper respectively;
The multiple monochromatic LED wafer that multiple second lining paper carries respectively is distinguished again reverse mould on same 3rd lining paper;
Spread sheet operation is carried out to the 3rd lining paper, equal with the spacing dimension of described matrix groove in order to the spacing between multiple monochromatic LED wafer that described 3rd lining paper carries;
Multiple monochromatic LED wafer on described 3rd lining paper is loaded described matrix groove;
Hot pressing is positioned to described glass substrate and described multiple monochromatic LED wafer, makes described glass substrate be in molten state, in order to after the cooling period, described multiple monochromatic LED wafer is flush-mounted in the matrix groove of described glass substrate;
After cooling, grinding and polishing is carried out to described first surface;
After annealing, obtained described composite LED glass-based panel.
Preferably, described monochromatic LED wafer is trapezoidal wafer.
Preferably, after described annealing, described method also comprises:
Cleaning-drying and test are carried out to described composite LED glass-based panel.
Preferably, described multiple monochromatic LED wafer comprises: red LED wafer, green LED wafer and blue led wafer.
The manufacture method of a kind of composite LED glass-based panel of the present invention, technique is simple, and cost is low, can meet the needs of large scale splicing, be suitable for large-scale production and application.
Accompanying drawing explanation
The manufacture method process flow diagram of a kind of composite LED glass-based panel that Fig. 1 provides for the embodiment of the present invention;
One of preparation process schematic diagram of the composite LED glass-based panel that Fig. 2 provides for the embodiment of the present invention;
The preparation process schematic diagram two of the composite LED glass-based panel that Fig. 3 provides for the embodiment of the present invention;
The preparation process schematic diagram three of the composite LED glass-based panel that Fig. 4 provides for the embodiment of the present invention;
The preparation process schematic diagram four of the composite LED glass-based panel that Fig. 5 provides for the embodiment of the present invention;
The preparation process schematic diagram five of the composite LED glass-based panel that Fig. 6 provides for the embodiment of the present invention;
The preparation process schematic diagram six of the composite LED glass-based panel that Fig. 7 provides for the embodiment of the present invention;
The preparation process schematic diagram seven of the composite LED glass-based panel that Fig. 8 provides for the embodiment of the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Embodiment
The preparation method of composite LED glass-based panel of the present invention, is mainly used in LED display, Ultra fine pitch LED display, super-high density LED display, the positive luminous TV of LED, the positive luminous monitor of LED, LED video wall, LED indicates, the display panel manufacture in the fields such as LED special lighting.
Preparation method's process flow diagram of the composite LED glass-based panel that Fig. 1 provides for the embodiment of the present invention.Fig. 2-Fig. 8 is the preparation process schematic diagram of the composite LED glass-based panel of the embodiment of the present invention, below with Fig. 1 and composition graphs 2-Fig. 8 preparation method of the present invention is described.
As shown in Figure 1, the preparation method of composite LED glass-based panel that the embodiment of the present invention provides comprises the steps:
Step 110, prepares glass substrate;
Concrete, machining is carried out to the glass substrate with optical clarity, carries out the making of matrix groove according to the size set.Form multiple matrix groove by the one side that is machined in glass template, as shown in Figure 2, the spacing between each matrix groove is equal for sectional view, and the groove depth of each matrix groove and length, width dimensions are also equal respectively.
Step 120, is affixed on respectively by the exiting surface of multiple monochromatic LED wafer on multiple first lining paper;
Concrete, be attached to respectively on wafer (wafer) lining paper according to different colours by the multiple monochromatic LED wafer prepared, wherein wafer lining paper sticks on the exiting surface of LED wafer, as shown in Figure 3.Described monochromatic LED wafer is preferably trapezoidal wafer, and the color of LED wafer can select any color as required, and in this example as shown in the figure, multiple monochromatic LED wafer comprises: red LED wafer, green LED wafer and blue led wafer.
Step 130, carries out classification respectively to described multiple monochromatic LED wafer;
Concrete, the electrical measurement mode utilizing pin to survey, to the forward voltage of LED wafer, light intensity, optical wavelength, the parameters such as electric leakage are classified, and inhomogeneity sorts out, and are attached to respectively on different wafer lining papers.For the LED wafer of the different stage sorted out, cross arrangement can be carried out follow-up, make display effect more evenly good, or according to demand, a display panel only be selected to the LED wafer of same rank, to obtain better display effect.
Step 140, carries out reverse mould respectively to the multiple monochromatic LED wafer after classification; After reverse mould, the electrode side of described multiple monochromatic LED wafer is affixed on multiple second lining paper respectively;
Concrete, as shown in Figure 4, the LED wafer pasted on wafer lining paper for exiting surface carries out a reverse mould again, makes bright dipping towards upper, and electrode side is pasted on another wafer lining paper.LED wafer for multiple color carries out the operation of this step respectively.
Step 150, distinguishes reverse mould again on same 3rd lining paper by the multiple monochromatic LED wafer that multiple second lining paper carries respectively;
Concrete, above-mentioned multiple monochromatic LED wafer is adopted special-purpose multifunctional reverse mould technique, and reverse mould can on the lining paper of spread sheet to same respectively, formation red+green+blueness (R+G+B) cell array, as shown in Figure 5.Spread sheet lining paper can stretch in all directions, after being mounted on spread sheet lining paper, is removed by original lining paper.
Step 160, carries out spread sheet operation to the 3rd lining paper, equal with the spacing dimension of described matrix groove in order to the spacing between multiple monochromatic LED wafer that described 3rd lining paper carries;
Concrete, spread sheet lining paper is stretched, precisely expands crystalline substance, the line space between multiple LED wafer of R+G+B cell array and column pitch are all strengthened, until and spacing between each matrix groove match, as indicated with 6.
Step 170, loads described matrix groove by the multiple monochromatic LED wafer on described 3rd lining paper;
Concrete, stylus printing mode can be adopted the LED wafer of upside-down mounting on spread sheet lining paper to be loaded in matrix groove.Or, also can use conventional bonder mode etc., LED wafer be moved into matrix groove.As shown in Figure 7.
Step 180, positions hot pressing to described glass substrate and described multiple monochromatic LED wafer, makes described glass substrate be in molten state, in order to after the cooling period, is flush-mounted in the matrix groove of described glass substrate by described multiple monochromatic LED wafer;
Concrete, position hot pressing to the glass substrate loading LED wafer, temperature controls the temperature making glass be in molten state.In high temperature hot pressing process, make glass be in molten state, thus engage with LED wafer.Meanwhile, in hot pressing, each LED wafer is also in precompressed positioning states.As shown in Figure 8.
Step 190, after cooling, carries out grinding and polishing to described first surface, after annealing, and obtained described composite LED glass-based panel.
Concrete, after cooling, the matrix groove that each LED wafer is fixed on glass substrate with regard to the glass by again solidifying from molten state.
After annealing, also need to carry out cleaning-drying and test to composite LED glass-based panel.
The manufacture method of the composite LED glass-based panel that the embodiment of the present invention provides, by twice reverse mould on lining paper, by the LED wafer reverse mould of multiple color on same spread sheet lining paper, form cell array, reinstalling in the matrix groove of glass substrate, by applying high temperature hot pressing to glass substrate, making wafer embed in the glass substrate of molten state, cool again, namely obtain composite LED glass-based panel.The manufacture method of composite LED glass-based panel of the present invention, technique is simple, and cost is low, can meet the needs of large scale splicing, be suitable for large-scale production and application.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a manufacture method for composite LED glass-based panel, is characterized in that, described method comprises:
Prepare glass substrate; The first surface of described glass substrate has multiple equally spaced matrix groove, the length and width of described matrix groove, the degree of depth, spacing dimension are equal all respectively;
The exiting surface of multiple monochromatic LED wafer is affixed on respectively on multiple first lining paper;
Respectively classification is carried out to described multiple monochromatic LED wafer;
Respectively reverse mould is carried out to the multiple monochromatic LED wafer after classification; After reverse mould, the electrode side of described multiple monochromatic LED wafer is affixed on multiple second lining paper respectively;
The multiple monochromatic LED wafer that multiple second lining paper carries respectively is distinguished again reverse mould on same 3rd lining paper;
Spread sheet operation is carried out to the 3rd lining paper, equal with the spacing dimension of described matrix groove in order to the spacing between multiple monochromatic LED wafer that described 3rd lining paper carries;
Multiple monochromatic LED wafer on described 3rd lining paper is loaded described matrix groove;
Hot pressing is positioned to described glass substrate and described multiple monochromatic LED wafer, makes described glass substrate be in molten state, in order to after the cooling period, described multiple monochromatic LED wafer is flush-mounted in the matrix groove of described glass substrate;
After cooling, grinding and polishing is carried out to described first surface;
After annealing, obtained described composite LED glass-based panel.
2. manufacture method according to claim 1, is characterized in that, described monochromatic LED wafer is trapezoidal wafer.
3. manufacture method according to claim 1, is characterized in that, after described annealing, described method also comprises:
Cleaning-drying and test are carried out to described composite LED glass-based panel.
4. manufacture method according to claim 1, is characterized in that, described multiple monochromatic LED wafer comprises: red LED wafer, green LED wafer and blue led wafer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597038.1A CN105551376B (en) | 2014-10-30 | 2014-10-30 | A kind of manufacture method of composite LED glass base plane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597038.1A CN105551376B (en) | 2014-10-30 | 2014-10-30 | A kind of manufacture method of composite LED glass base plane |
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| Publication Number | Publication Date |
|---|---|
| CN105551376A true CN105551376A (en) | 2016-05-04 |
| CN105551376B CN105551376B (en) | 2018-02-23 |
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| CN201410597038.1A Active CN105551376B (en) | 2014-10-30 | 2014-10-30 | A kind of manufacture method of composite LED glass base plane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097912A (en) * | 2016-08-05 | 2016-11-09 | 环视先进数字显示无锡有限公司 | The manufacture method of a kind of micron of LED glass substrate display module and display module |
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| JPH10135517A (en) * | 1996-10-30 | 1998-05-22 | Japan Aviation Electron Ind Ltd | Surface type light element and its manufacture |
| CN102931320A (en) * | 2012-11-13 | 2013-02-13 | 佛山市香港科技大学Led-Fpd工程技术研究开发中心 | White light light-emitting diode (LED) approximate shape-preserving packaging structure and preparation method thereof |
| CN102983127A (en) * | 2012-12-06 | 2013-03-20 | 鹤山丽得电子实业有限公司 | LED composite chip, processing method and display screen using composite chip |
| CN103544895A (en) * | 2013-11-01 | 2014-01-29 | 广东威创视讯科技股份有限公司 | Light-emitting diode (LED) display module and manufacturing method thereof |
| US20140027709A1 (en) * | 2012-07-30 | 2014-01-30 | John A. Higginson | Method and structure for receiving a micro device |
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2014
- 2014-10-30 CN CN201410597038.1A patent/CN105551376B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10135517A (en) * | 1996-10-30 | 1998-05-22 | Japan Aviation Electron Ind Ltd | Surface type light element and its manufacture |
| US20140027709A1 (en) * | 2012-07-30 | 2014-01-30 | John A. Higginson | Method and structure for receiving a micro device |
| CN102931320A (en) * | 2012-11-13 | 2013-02-13 | 佛山市香港科技大学Led-Fpd工程技术研究开发中心 | White light light-emitting diode (LED) approximate shape-preserving packaging structure and preparation method thereof |
| CN102983127A (en) * | 2012-12-06 | 2013-03-20 | 鹤山丽得电子实业有限公司 | LED composite chip, processing method and display screen using composite chip |
| CN103544895A (en) * | 2013-11-01 | 2014-01-29 | 广东威创视讯科技股份有限公司 | Light-emitting diode (LED) display module and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097912A (en) * | 2016-08-05 | 2016-11-09 | 环视先进数字显示无锡有限公司 | The manufacture method of a kind of micron of LED glass substrate display module and display module |
| CN106097912B (en) * | 2016-08-05 | 2019-01-25 | 环视先进数字显示无锡有限公司 | The manufacturing method and display module of a kind of micron of LED glass substrate display module |
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| CN105551376B (en) | 2018-02-23 |
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Effective date of registration: 20160804 Address after: 214100, Jiangsu, Wuxi Province, high road, Binhu District No. 999 (software R & D building) Applicant after: Look around the advanced digital display Wuxi Co. Ltd. Address before: 100097 room B1F, unit four, building No. three, Far East Road, Haidian District, Beijing Applicant before: Cheng Jun Applicant before: Yan Min Applicant before: Zhou Mingbo |
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