CN203055360U - Dispensing gland white light nixie tube - Google Patents
Dispensing gland white light nixie tube Download PDFInfo
- Publication number
- CN203055360U CN203055360U CN 201220705927 CN201220705927U CN203055360U CN 203055360 U CN203055360 U CN 203055360U CN 201220705927 CN201220705927 CN 201220705927 CN 201220705927 U CN201220705927 U CN 201220705927U CN 203055360 U CN203055360 U CN 203055360U
- Authority
- CN
- China
- Prior art keywords
- white light
- reflection
- pcb substrate
- glue laminated
- covered
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Led Device Packages (AREA)
Abstract
The utility model discloses a dispensing gland white light nixie tube, and belongs to the light emitting diode (LED) nixie tube packaging field. The dispensing gland white light nixie tube comprises a reflection cover and a printed circuit board (PCB) substrate, wherein the PCB substrate is arranged on the back side of the reflection cover, a plurality of electrodes and pads are arranged on the PCB substrate, semiconductor chips which can emit blue light photons are welded on the pads, and a layer of colloid which is formed of silicon and yellow fluorescent powder covers on each semiconductor chip. Small-dose colloid covers the semiconductor chips, large-dose epoxy resin is unnecessary to fill light dipping channels, and the dispensing gland white light nixie tube saves materials and is environment-friendly.
Description
Technical field
The utility model relates to a kind of some glue laminated lid white light charactron, belongs to LED charactron encapsulation field.
Background technology
Traditional white light charactron structure, weld blue chip in the pad on pcb board, add a cover the reflection lid then, go out optical channel and hot setting with epoxy resin mixed fluorescent powder embedding reflection lid, because adopt heavy dose of epoxy resin to encapsulate, not only increase production cost, and pollute the environment not environmental protection.The principle of work of this white light charactron is to be subjected to electron excitation to produce blue photons by blue chip, and blue photons excites the fluorescent powder that is blended in the epoxy resin to produce the gold-tinted photon, produces white light by blue photons and the effect of gold-tinted photon.Because the key light that goes out optical channel of conventional white light charactron is the straight channel (being the center that chip is positioned at optical channel) of chip light emitting, go out the brightness meeting in optical channel centre position apparently higher than the brightness of marginal position, have the same shortcomings such as optical channel brightness irregularities that go out.
In view of this, the inventor studies this, develops a kind of some glue laminated lid white light charactron specially, and this case produces thus.
The utility model content
The purpose of this utility model provides that a kind of glue consumption is few, emitting uniform point glue laminated lid white light charactron.
To achieve these goals, solution of the present utility model is:
A kind of some glue laminated lid white light charactron, comprise reflection lid and PCB substrate, wherein, the PCB substrate is installed in the back side of reflection lid, this PCB substrate is provided with several electrodes and pad, be welded with the semi-conductor chip that can send blue photons on the pad, be coated with the colloid that one deck is made up of silica gel and yellow fluorescent powder at semi-conductor chip.Cover low dose of colloid at semi-conductor chip, do not need heavy dose of epoxy resin to fill out optical channel, namely save material environmental protection again.
The upper surface of above-mentioned reflection lid is provided with several and goes out optical channel, the back side that goes out optical channel is provided with reflection cavity, described reflection cavity is over against going out optical channel, and when the PCB substrate was installed in reflection and covers the back side, semi-conductor chip was positioned at the edge of reflection cavity, after the light process reflection cavity reflected refraction that chip sends, inject out in the optical channel, through after the two degree reflected refractions of bright dipping conduit wall, penetrate the reflection lid again, employing has the reflection lid of reflection cavity, can make the white light of ejaculation more even.
As preferably, above-mentioned reflection cavity is circular.
Above-mentioned colloid thickness is 0.5-1.5mm.
Also be provided with the pilot hole more than 2 or 2 on the described PCB substrate, reflection is covered the back side and is provided with the reference column that matches with pilot hole, by the cooperation of pilot hole and reference column, makes the PCB substrate be fixed on reflection and covers the back side.
Above-mentioned semi-conductor chip links to each other with pad by metal wire, and metal wire can be selected aluminum steel.
Above-mentioned electrode be welded on the PCB substrate both sides, be used for to connect external circuit.
Described some glue laminated lid white light charactron comprises that also one covers reflection and covers the lip-deep film of dispersing, and is mainly used in the diffusion of pointolite, and it is more even to make reflection cover the white light that penetrates on the surface.
During above-mentioned glue laminated lid white light charactron work, electric current passes to pad through the electrode on the PCB substrate earlier, pass through aluminum steel again, make the semi-conductor chip energising, send blue light after the semi-conductor chip energising, the yellow fluorescent powder in the blue-light excited colloid that covers on the semi-conductor chip produces yellow photon, produce white light by blue photons and the effect of gold-tinted photon, described white light penetrates by reflection cavity with after going out the optical channel reflected refraction again, and disperses by dispersing film, makes light softer evenly.
Below in conjunction with drawings and the specific embodiments the utility model is done and to be described in further detail.
Description of drawings
Fig. 1 is the white light charactron assembling assumption diagram of present embodiment;
Fig. 2 does not put the preceding structural representation of glue for present embodiment white light charactron PCB substrate;
Fig. 3 covers the surface structure synoptic diagram for the reflection of present embodiment white light charactron;
Fig. 4 is that the structure synoptic diagram is covered in the reflection of present embodiment white light charactron;
Fig. 5 is that perspective view is covered in the reflection of present embodiment white light charactron.
Embodiment
As depicted in figs. 1 and 2, a kind of some glue laminated lid white light charactron, comprise that reflection covers 1 and PCB substrate 2, wherein, PCB substrate 2 is installed in reflection and covers 1 the back side, this PCB substrate 2 is provided with 6 electrodes 21 and 7 pads 22, is welded with the semi-conductor chip 23 that can send blue photons on the pad 22, is coated with the colloid 24 that one deck is made up of silica gel and yellow fluorescent powder at semi-conductor chip 23.Above-mentioned semi-conductor chip 23 links to each other with pad by aluminum steel.Electrode 21 be welded on PCB substrate 2 both sides, be used for to connect external circuit.Cover low dose of colloid at semi-conductor chip 23, do not need heavy dose of epoxy resin to fill out optical channel 11, namely save material environmental protection again.
In the present embodiment, as shown in Figure 3-Figure 5, described reflection is covered 1 upper surface and is provided with 7 and goes out optical channel 11, form one " 8 " word, the back side that goes out optical channel 11 is provided with circular reflection cavity 12, described reflection cavity 12 is over against going out optical channel 11, when PCB substrate 2 is installed in reflection when covering 1 back side, semi-conductor chip 23 is positioned at the marginal position 14 of reflection cavity 12, but not the centre position of reflection cavity 12 after the light that semi-conductor chip 23 is sent passes through reflection cavity 12 reflected refractions, is injected out in the optical channel 11 again, and then through going out optical channel 11 2 degree reflected refractions, penetrate reflection and cover 1.Employing has the reflection lid 1 of reflection cavity 12, and going out optical channel 11 and can demonstrate numeral or the pattern that will represent more equably on 1 upper surface cover in reflection, makes to reflect to cover on 1 each section luminance errors of " 8 " word and control about 10%; In addition, compare with the reflection lid 1 that does not have reflection cavity 12, white light is at reflection cavity 12 and go out to carry out repeatedly reflected refraction in the optical channel 11, under the situation of equal uniformly light-emitting, can cover 1 to reflection and do thinlyyer.The optical channel 11 that goes out that reflection is covered on 1 upper surface can be multiple shape, is combined into multiple numeral or pattern.
In the present embodiment, the two ends on the described PCB substrate 2 respectively are provided with 2 pilot hole 25, and reflection is covered 1 back side and is provided with the reference column 13 that matches with pilot hole 25, by the cooperation of pilot hole 25 and reference column 13, make PCB substrate 2 be fixed on reflection and cover 1 the back side.In the present embodiment, rely on capping machine that reference column 13 is fixed in the pilot hole 25.
Described some glue laminated lid white light charactron comprises that also one covers reflection and cover and disperse film 3 on 1 upper surface, is mainly used in the diffusion of light source, makes the white light of each section ejaculation of " 8 " word on the entire emission lid 1 more even.
Above-mentioned colloid 24 thickness are 0.5-1.5mm, and concrete thickness can be 0.7mm, 0.9mm, 1.0 mm, 1.2mm or 1.4mm etc., cover 1 height according to user's request or reflection and decide, and in the present embodiment, colloid thickness is 1.0 mm.
During above-mentioned glue laminated lid white light charactron work, electric current passes to pad 22 through the electrode on the PCB substrate 2 earlier, pass through aluminum steel again, make semi-conductor chip 23 energisings, send blue light after semi-conductor chip 23 energisings, yellow fluorescent powder in the blue-light excited colloid 24 that covers on the semi-conductor chip 23 produces yellow photon, produce white light by blue photons and the effect of gold-tinted photon, the described white light optical channel 11 that goes out of the lid of the reflection by optimal design 1 again penetrates, and disperse by dispersing film 3, make light softer evenly.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (9)
1. a some glue laminated is covered the white light charactron, it is characterized in that: comprise reflection lid and PCB substrate, wherein, the PCB substrate is installed in the back side of reflection lid, this PCB substrate is provided with several electrodes and pad, be welded with the semi-conductor chip that can send blue photons on the pad, be coated with the colloid that one deck is made up of silica gel and yellow fluorescent powder at semi-conductor chip.
2. a kind of some glue laminated as claimed in claim 1 covered the white light charactron, it is characterized in that: the upper surface of above-mentioned reflection lid is provided with several and goes out optical channel, the back side that goes out optical channel is provided with reflection cavity, described reflection cavity is over against going out optical channel, and the PCB substrate is installed in and reflects when covering the back side, and semi-conductor chip is positioned at the edge of reflection cavity, after the light process reflection cavity reflected refraction that chip sends, inject out in the optical channel, through after the two degree reflected refractions of bright dipping conduit wall, penetrate the reflection lid again.
3. a kind of some glue laminated as claimed in claim 2 covered the white light charactron, it is characterized in that: described reflection cavity is for circular.
4. a kind of some glue laminated as claimed in claim 1 covered the white light charactron, and it is characterized in that: described colloid thickness is 0.5-1.5mm.
5. a kind of some glue laminated as claimed in claim 1 covered the white light charactron, it is characterized in that: also be provided with the pilot hole more than 2 or 2 on the described PCB substrate, reflection is covered the back side and is provided with the reference column that matches with pilot hole, by the cooperation of pilot hole and reference column, make the PCB substrate be fixed on reflection and cover the back side.
6. a kind of some glue laminated as claimed in claim 1 covered the white light charactron, and it is characterized in that: above-mentioned semi-conductor chip links to each other with pad by metal wire.
7. a kind of some glue laminated as claimed in claim 6 covered the white light charactron, and it is characterized in that: described metal wire is aluminum steel.
8. a kind of some glue laminated lid white light charactron as claimed in claim 1 is characterized in that: electrode be welded on the PCB substrate both sides.
9. a kind of some glue laminated lid white light charactron as claimed in claim 1 is characterized in that: described some glue laminated lid white light charactron comprises that also one covers reflection and covers the lip-deep film of dispersing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220705927 CN203055360U (en) | 2012-12-19 | 2012-12-19 | Dispensing gland white light nixie tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220705927 CN203055360U (en) | 2012-12-19 | 2012-12-19 | Dispensing gland white light nixie tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203055360U true CN203055360U (en) | 2013-07-10 |
Family
ID=48738289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220705927 Expired - Fee Related CN203055360U (en) | 2012-12-19 | 2012-12-19 | Dispensing gland white light nixie tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203055360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000091A (en) * | 2012-12-19 | 2013-03-27 | 绍兴光彩显示技术有限公司 | Dispensing gland white-light nixie tube and production process thereof |
| CN109872642A (en) * | 2017-12-04 | 2019-06-11 | 利亚德光电股份有限公司 | Small spacing LED display module and preparation method thereof |
-
2012
- 2012-12-19 CN CN 201220705927 patent/CN203055360U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000091A (en) * | 2012-12-19 | 2013-03-27 | 绍兴光彩显示技术有限公司 | Dispensing gland white-light nixie tube and production process thereof |
| CN103000091B (en) * | 2012-12-19 | 2015-03-18 | 绍兴光彩显示技术有限公司 | Dispensing gland white-light nixie tube and production process thereof |
| CN109872642A (en) * | 2017-12-04 | 2019-06-11 | 利亚德光电股份有限公司 | Small spacing LED display module and preparation method thereof |
| CN109872642B (en) * | 2017-12-04 | 2021-05-18 | 利亚德光电股份有限公司 | Small-spacing LED display module and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5810758B2 (en) | Light emitting device | |
| CN100470860C (en) | Light-emitted diode | |
| KR101846110B1 (en) | Led light bar manufacturing method and led light bar | |
| US11075327B2 (en) | Hybrid chip-on-board LED module with patterned encapsulation | |
| CN102927464A (en) | Light emitting apparatus | |
| JP4386789B2 (en) | Method for manufacturing light-emitting diode element | |
| CN203931390U (en) | A kind of white-light nixie tube | |
| CN103000091B (en) | Dispensing gland white-light nixie tube and production process thereof | |
| TW201320406A (en) | Improved white LED packaging structure for improving light mixing effect | |
| CN205406565U (en) | Cspled | |
| US20060012298A1 (en) | LED chip capping construction | |
| CN203055360U (en) | Dispensing gland white light nixie tube | |
| CN211826815U (en) | LED packaging light-emitting module and backlight assembly | |
| CN201134439Y (en) | LED chip structure for illuminance | |
| CN203631546U (en) | High-power integrated packaging chip arrangement structure | |
| CN105355752A (en) | Light-emitting diode chip structure, light-emitting chip packaging structure and preparation method for light-emitting chip | |
| CN202917487U (en) | High chromogenic LED light source based on red light chip direct-packaging compensation | |
| CN204651345U (en) | Package structure for LED | |
| CN207398144U (en) | A kind of LED component, display module and display screen | |
| CN202308047U (en) | Packaging structure of light emitting diodes | |
| CN206931620U (en) | One side CSP light sources | |
| CN202817028U (en) | Double-layer LED packaging lens | |
| CN203644318U (en) | White light Nixie tube based on illuminant microminiaturization integrated technology | |
| CN107808924A (en) | A kind of white LED light source | |
| CN202817025U (en) | Novel double-layer LED lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20151219 |
|
| EXPY | Termination of patent right or utility model |