CN111798744A - Optical component supporting support - Google Patents
Optical component supporting support Download PDFInfo
- Publication number
- CN111798744A CN111798744A CN202010253122.7A CN202010253122A CN111798744A CN 111798744 A CN111798744 A CN 111798744A CN 202010253122 A CN202010253122 A CN 202010253122A CN 111798744 A CN111798744 A CN 111798744A
- Authority
- CN
- China
- Prior art keywords
- fixing member
- main body
- support
- support according
- light
- 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.)
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Head (AREA)
Abstract
Disclosed is a support for supporting an optical component, which minimizes reflection of light and enables reflow soldering by surface mounting. The support portion includes a conical main body having a diameter that decreases as the diameter decreases upward, and a metal fixing member coupled to a lower surface of the main body, wherein light emitted from the light source is not reflected by an outer surface of the main body and leaves a shadow on the optical member.
Description
Technical Field
The present invention relates to a holder for holding an optical component, and more particularly, to a holder for holding an optical component, which minimizes interference of light reflection or light transmission and enables reflow soldering by surface mounting.
Background
An optical functional member (hereinafter, referred to as an optical member) such as an optical functional film or a light guide plate for realizing a wide viewing angle, high contrast, or the like is used on an upper portion of a circuit board on which a light emitting source such as an LED or the like for emitting light is mounted.
In this case, a support member for supporting the optical member is provided on the circuit board so that the LED mounted on the circuit board is not in contact with the optical member and light reflection or the like is minimized.
Fig. 1 shows a conventional optical component supporting holder.
On the circuit substrate 10, a plurality of LEDs 30 are mounted in an array, and between the LEDs 30, a quadrangular support member 40 is manually attached to the circuit substrate 10 by, for example, an adhesive.
Accordingly, the optical member 20 stacked on the upper portion of the circuit substrate 10 is supported by the support 40, and the support 40 has a height greater than that of the LED 30, so that a predetermined gap is formed between the LED 30 and the optical member 20.
However, according to the conventional support, light emitted from the LED is reflected on each side of the support, and as a result, light transmission is blocked due to a large reflection area, thereby leaving a shadow of the support on the optical member, and thus there is a problem in that display optical quality is degraded.
Further, since the adhesive is manually attached to the circuit board, the productivity is poor.
Further, when all the four side surfaces of the support 40 having a quadrangular shape are cut by a dicing saw (dicing saw), the surface of the cut surface is rough, and light is scattered, thereby having a disadvantage of poor optical characteristics.
Disclosure of Invention
The invention aims to provide a support for supporting an optical component, which can minimize the reflection of light from a light-emitting source and minimize the interference of light transmission.
The invention aims to provide a support for supporting an optical component, which can minimize shadow caused by light from a light-emitting source.
Another object of the present invention is to provide a supporter for supporting an optical component capable of improving work efficiency by reflow soldering using surface mounting.
The object is achieved by a support characterized by: the support member is applied to a display circuit board provided with a light emitting source and supports optical members facing each other, is capable of reflow soldering by surface mounting, and includes: a conical body having a smaller diameter and capable of vacuum pickup upward; and a fixing member coupled to a lower surface of the body to be exposed to the outside and formed of a weldable metal material, wherein the body is formed of a plastic material having heat resistance to welding, and a portion of the fixing member is fitted and coupled to the lower surface of the body when the body is injection-molded, so that reflection of light emitted from the light source on an outer surface of the body is minimized, or a shadow of the body generated on the optical member due to diffraction on the body is minimized.
Preferably, the outer surface of the body is smoothly formed.
Preferably, in the fixing member, a copper foil, a copper alloy foil, or an iron alloy foil is plated with tin.
Preferably, a protrusion is formed at a portion of a lower surface of the body, and the fixing member is formed with a coupling hole into which the protrusion is inserted.
Preferably, the lower surface of the main body is also provided with an integrally formed base, the area of the base is larger than that of the lower surface of the main body, and the height of the base is below 1/3 of the height of the main body.
Preferably, an anchor is integrally formed from the fixing member, and is embedded in the body from a lower surface of the body, and more preferably, a locking base is formed at an end portion of the anchor.
Preferably, the support member is wound around a carrier and vacuum picked up from the body, and further, after the solder pattern is mounted on the circuit board, the lower surface of the fixing member is reflow-soldered with solder paste.
According to the above configuration, although the light emitted from the light-emitting source is reflected on the outer surface of the conical portion of the main body, the light quantity impinging on the main body decreases as the diameter decreases toward the upper end, and diffraction of the light occurs around the main body, so that the shadow of the supporting member can be minimized in the optical component. As a result, the deterioration of the display quality due to the support can be prevented.
And, have the following advantage: it is possible to minimize interference with the progress of the light emitted from the light emitting source due to the support.
And, have the following advantage: the body is formed through an injection molding process using an injection mold, so that it is easily manufactured in a conical shape, and the surface of the conical body is smooth and white, so that optical characteristics are good.
And, have the following advantage: since the body and the fixing member are coupled by insert injection molding, the coupling of the body and the fixing member is strong under an external force.
Also, since the solder pattern attached to the circuit substrate is vacuum picked up by the pickup nozzle or the like at the upper end of the main body of the support member, and the fixing member is fixed by reflow soldering using solder paste, productivity is improved.
Drawings
Fig. 1 shows a conventional optical component supporting holder.
Fig. 2 shows a support for supporting an optical component according to an embodiment of the present invention.
Fig. 3 (a) and 3 (b) respectively show a support for supporting an optical component according to another embodiment of the present invention.
Fig. 4 (a) shows an optical component supporting supporter according to another embodiment of the present invention, and fig. 4 (b) shows a fixing component.
Description of the symbols
100: support piece
110: fixing member
212: cutting tip
120: main body
121: base seat
122: conical section
123: pickup area
Detailed Description
The technical terms used in the present invention are used for the purpose of describing specific embodiments only, and it is to be noted that the present invention is not limited thereto. Also, technical terms used in the present invention should be interpreted as having meanings commonly understood by those having basic knowledge in the technical field to which the present invention belongs without other specific definitions, and should not be interpreted as having an excessively generalized meaning or an excessively reduced meaning. Fig. 2 shows a support for supporting an optical component according to an embodiment of the present invention.
The support 100 includes: a body 120 that supports the optical member 20 in direct contact with the optical member 20; the fixing member 110 is coupled to a lower surface of the body 120.
The support member 100 is wound around a carrier and vacuum picked up from the main body, and is further mounted on the solder pattern of the circuit substrate 10 by surface mounting.
The body 120 is made of, for example, a plastic material having heat resistance against soldering similar to the material of the package LED 30, and may be white or transparent, and an outer surface is smoothly formed in order to prevent scattering of light.
The body 120 manufactured to be conical, which has a smooth outer surface through an injection molding process, prevents optical characteristics from being degraded due to a shadow formed by light generated at the LED 30 disposed adjacent thereto.
The body 120 is formed in a conical shape or a cone-like shape having a diameter that is smaller as it goes upward, and as shown in fig. 2, the cone-like shape refers to a hybrid form in which a base 121 is integrally formed at the lower end of a conical portion 122.
The upper end of the body 120 is formed with a pickup area 123, and may constitute a plane or a curved surface.
The fixing member 110 may be made of a solderable metal material, and for example, a copper foil, a copper alloy foil, or an iron alloy foil may be plated with tin.
The fixing member 110 may have the same shape and similar size as the seat 121 of the body 120 and be bonded by a heat-resistant adhesive or mechanically coupled by insert injection as described later.
For example, the support 100 may be manufactured by bonding a copper foil using a heat-resistant adhesive to the lower surface of a sheet in which the plurality of bodies 120 are integrally protruded and arranged by injection molding, and then cutting the sheet into a predetermined quadrangular size by cutting, in which process the base 121 is formed, thereby constituting a structure in which the base 121 is bonded to the fixing member 110.
The support member 100 having such a structure is advantageous for a structure having a height similar to a width and a length, for example, the base 121 has a size of 1.2mm in width and 1.2mm in length, and the support member 100 has a height of 1.4mm, and the cut portion is located at a lower portion although the side of the base 121 cut by cutting is rough, so that the degradation of the optical characteristics is minimized.
In one embodiment, the area of the seat 121 may be greater than the area of the lower surface of the conical portion 122 of the body 120, and the height of the seat 121 is below 1/3 of the height of the body 120.
According to the supporter of an embodiment, the body 120 is conical with a smaller diameter upward, so that the area of reflected light is smaller upward, and the amount of light actually hitting the body 120 will be reduced since the LED 30 emits light upward from a predetermined height.
In addition, since the main body 120 is fine and smooth and the outer surface is smoothly formed, light emitted from the LED 30 travels around the main body 120 and is diffracted.
As described above, the amount of light impinging on the body 120 is reduced, and diffraction of light occurs around the body 120, so that the shadow of the support 100 can be minimized in the optical member 20. As a result, the display quality can be prevented from being degraded by the support 100.
Further, since the solder pattern attached to the circuit substrate 10 is vacuum picked up by a pickup nozzle or the like at the upper end of the main body 120 of the support 100 and the fixing member 110 is fixed by reflow soldering using solder paste, productivity is good.
Fig. 3 (a) and 3 (b) respectively show a support for supporting an optical component according to another embodiment of the present invention.
Referring to fig. 3 (a), the supporter 200 includes a conical body 220 and a ring-shaped fixing part 210.
A protrusion 224 is projected coaxially on the lower surface of the main body 220.
The fixing member 210 is formed of a metal material capable of being welded, and cutting tips 212 formed when cutting the lead connecting the fixing member 210 and the frame are protruded in opposite directions to each other in the manufacturing process.
For example, a frame in which a plurality of fixing parts 210 are connected by pins is embedded in an injection molded body 220, wherein a protrusion 224 of the body 220 is injection molded in a state of being embedded in a coupling hole 214 of the fixing part 210, so that the body 220 is coupled with the fixing part 210. Here, unexplained symbol 222 is a conical portion, and unexplained symbol 223 is a pickup area.
Referring to fig. 3 (b), the supporter 300 is equipped with a conical body 320 having a high height, a flange 321 having a larger diameter is integrally formed at a lower end of the body 320, and a protrusion 324 having an H-shape is formed at a lower surface of the flange 321.
Of course, unlike this embodiment, the flange 321 may not be formed.
The fixing member 310 has the same size as the flange 321, and is internally formed with a coupling hole 314 into which the protrusion 324 of the body 320 is inserted. In particular, anchors 313 protrude from opposite sides of the coupling hole 314, and are embedded in the flange 321 of the body 320 by insert injection. Here, unexplained symbol 323 is a pickup area.
The support 300 having such a structure is advantageous for a structure having a height greater than the diameter of the lower circle, for example, the diameter of the lower circle may be 3mm in width and 12mm in height.
Fig. 4 (a) shows an optical component supporting supporter according to another embodiment of the present invention, and fig. 4 (b) shows a fixing component.
The supporter 400 of an embodiment has a structure similar to that of the supporter 300 of fig. 3 (b), but a fixing part 410 of a special structure is applied.
Referring to fig. 4 (b), the fixing member 410 has a disk shape, and the four anchors 413 are embedded in the body 420 by insert injection in a state of being lifted upward.
In particular, a locking stand is formed at an end of the anchor 413 to prevent the fixing member 410 from being pulled out in the vertical direction.
The physical combination of the body 420 and the fixing member 410 is reinforced by the buried structure as described above, so that the body 420 and the fixing member 410 are not easily separated by an external force.
A recess 414 is formed at a portion where the anchor 413 is lifted up to correspond to the shape of the recess 414, and a protrusion 424 is formed at a lower surface of the body 420, so that the lower surface of the support 400 can constitute a plane after the fixing member 410 is coupled. Here, the unexplained symbol 425 is a projection like the projection 224, the unexplained symbol 415 is a coupling hole like the coupling hole 214, and the unexplained symbol 412 is a cutting tip like the cutting tip 212.
Although the embodiments of the present invention have been described above mainly, it is obvious that various modifications can be made by those skilled in the art. Therefore, the scope of the claims of the present invention should be construed not to be limited to the above-described embodiments but should be construed in breadth and scope in accordance with the appended claims.
Claims (12)
1. A support member for supporting opposed optical members applied to a display circuit board having a light-emitting source,
the support is capable of reflow soldering using surface mounting, and includes:
a conical body having a smaller diameter and capable of vacuum pickup upward; and
a fixing member coupled to a lower surface of the body to be exposed to the outside and made of a weldable metal material,
wherein the body is made of a plastic material having heat resistance against welding, and the fixing member is partially embedded and coupled to a lower surface of the body when the body is injection-molded,
reflection of light emitted from the light emission source at an outer surface of the body is minimized, or shadow of the body at the optical member due to diffraction at the body is minimized.
2. Support according to claim 1,
the outer surface of the body is smooth.
3. Support according to claim 1,
the body is white.
4. Support according to claim 1,
the lower surface of the main body is also provided with an integrally formed base, and the area of the base is larger than that of the lower surface of the main body.
5. Support according to claim 4,
the height of the base is below 1/3 of the height of the main body.
6. Support according to claim 1,
the fixing member is a fixing member obtained by plating a copper foil, a copper alloy foil, or an iron alloy foil with tin.
7. Support according to claim 1,
a protrusion is formed at a portion of a lower surface of the body, and the fixing member is formed with a coupling hole into which the protrusion is inserted.
8. Support according to claim 1,
an anchor is integrally formed from the fixing member and is embedded in the main body from a lower surface of the main body.
9. Support according to claim 8,
a locking table is formed at an end of the anchor.
10. Support according to claim 1,
the support member is wound around a carrier and vacuum picked up from the body, and further, after the solder pattern is mounted on the circuit board, the lower surface of the fixing member is reflow-soldered with solder paste.
11. A support member for supporting opposed optical members applied to a display circuit board provided with a light-emitting source, comprising:
a conical body having a smaller diameter and capable of vacuum pickup upward; and
a fixing member coupled to a lower surface of the body to be exposed to the outside and made of a weldable metal material,
wherein the body is made of a plastic material having heat resistance against welding, the fixing member is bonded to a lower surface of the body using a heat-resistant adhesive,
the lower surface of the main body is also provided with an integrally formed base, the area of the base is larger than that of the lower surface of the main body,
reflection of light emitted from the light emission source at an outer surface of the body is minimized, or shadow of the body at the optical member due to diffraction at the body is minimized.
12. Support according to claim 11,
the height of the base is below 1/3 of the height of the main body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190039144A KR20200117264A (en) | 2019-04-03 | 2019-04-03 | Support for supporting optical member |
| KR10-2019-0039144 | 2019-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111798744A true CN111798744A (en) | 2020-10-20 |
Family
ID=72806433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010253122.7A Withdrawn CN111798744A (en) | 2019-04-03 | 2020-04-02 | Optical component supporting support |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20200117264A (en) |
| CN (1) | CN111798744A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102458824B1 (en) * | 2020-11-19 | 2022-10-25 | 조인셋 주식회사 | SMD Support |
| KR102471723B1 (en) * | 2020-11-27 | 2022-11-29 | 조인셋 주식회사 | SMD Support |
| KR102551535B1 (en) * | 2022-06-22 | 2023-07-06 | 지엔이텍(주) | Metal supporter and method of manufacturing the same |
| US12085808B2 (en) | 2022-07-19 | 2024-09-10 | Samsung Electronics Co., Ltd. | Display apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588658A (en) * | 2004-07-01 | 2005-03-02 | 友达光电股份有限公司 | Light-emitting diode light source module with support piece |
| CN101672442A (en) * | 2008-09-10 | 2010-03-17 | 乐金显示有限公司 | Back light unit and liquid crystal display using the same |
| US20110149598A1 (en) * | 2009-12-22 | 2011-06-23 | Lg Innotek Co., Ltd. | Supporter of diffuser plate in backlight unit |
| CN105892144A (en) * | 2015-02-12 | 2016-08-24 | 三星显示有限公司 | Backlight unit |
| KR20170024937A (en) * | 2015-08-26 | 2017-03-08 | 엘지디스플레이 주식회사 | Support assembly for backligh unit, light source module, backlight unit and liquid crystal display device comprising the same |
-
2019
- 2019-04-03 KR KR1020190039144A patent/KR20200117264A/en not_active Application Discontinuation
-
2020
- 2020-04-02 CN CN202010253122.7A patent/CN111798744A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588658A (en) * | 2004-07-01 | 2005-03-02 | 友达光电股份有限公司 | Light-emitting diode light source module with support piece |
| CN101672442A (en) * | 2008-09-10 | 2010-03-17 | 乐金显示有限公司 | Back light unit and liquid crystal display using the same |
| US20110149598A1 (en) * | 2009-12-22 | 2011-06-23 | Lg Innotek Co., Ltd. | Supporter of diffuser plate in backlight unit |
| CN105892144A (en) * | 2015-02-12 | 2016-08-24 | 三星显示有限公司 | Backlight unit |
| KR20170024937A (en) * | 2015-08-26 | 2017-03-08 | 엘지디스플레이 주식회사 | Support assembly for backligh unit, light source module, backlight unit and liquid crystal display device comprising the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20200117264A (en) | 2020-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201020 |