KR20110096315A - Optical element device and fabricating method thereof - Google Patents
Optical element device and fabricating method thereof Download PDFInfo
- Publication number
- KR20110096315A KR20110096315A KR1020100015692A KR20100015692A KR20110096315A KR 20110096315 A KR20110096315 A KR 20110096315A KR 1020100015692 A KR1020100015692 A KR 1020100015692A KR 20100015692 A KR20100015692 A KR 20100015692A KR 20110096315 A KR20110096315 A KR 20110096315A
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- South Korea
- Prior art keywords
- substrate
- base material
- optical element
- optical device
- insulating layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
- H01L2224/48465—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area being a wedge bond, i.e. ball-to-wedge, regular stitch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/91—Methods for connecting semiconductor or solid state bodies including different methods provided for in two or more of groups H01L2224/80 - H01L2224/90
- H01L2224/92—Specific sequence of method steps
- H01L2224/922—Connecting different surfaces of the semiconductor or solid-state body with connectors of different types
- H01L2224/9222—Sequential connecting processes
- H01L2224/92242—Sequential connecting processes the first connecting process involving a layer connector
- H01L2224/92247—Sequential connecting processes the first connecting process involving a layer connector the second connecting process involving a wire connector
Abstract
The present invention discloses an optical element device capable of easily dissipating heat and preventing a short circuit between electrodes, and a method of manufacturing the same.
For example, a substrate including a first substrate, an insulating layer formed to surround the first substrate, and a second substrate formed to surround the insulating layer, an optical element formed on the first substrate; Disclosed is an optical device comprising a conductive wire electrically connecting the second substrate and the optical device, and a protective layer formed to surround the optical device and the conductive wire.
Description
The present invention relates to an optical device and a method of manufacturing the same.
Optical devices refer to devices that generate light by receiving an electrical signal. Such optical devices are used in various fields, and among them, research of optical devices is being actively conducted as the display field grows gradually.
Among the optical devices, light emitting diodes (LEDs) are rapidly increasing in use because they can generate light with high efficiency and high luminance compared to conventional photons.
Such light emitting diodes generate light by a combination of electrons and holes, which inevitably generate heat in addition to light. If the heat of the light emitting diode is not dissipated, there is a risk of device damage and operation efficiency is lowered.
In addition, in the case of packaging a light emitting diode to form a device, when the electrodes formed on the substrate are short-circuited, the light emitting diode is broken, which also causes a problem of reliability. Therefore, there is a need for a structure of a device that can easily perform heat dissipation of a light emitting diode and prevent short-circuits between electrodes.
The present invention provides an optical element device and a method of manufacturing the same that can easily perform heat dissipation and prevent short circuits between electrodes.
An optical device according to the present invention comprises a substrate comprising a first substrate, an insulating layer formed to surround the first substrate and a second substrate formed to surround the insulating layer; An optical element formed on the first substrate; A conductive wire electrically connecting the second substrate and the optical device; And it may include a protective layer formed to surround the optical device and the conductive wire.
Here, the insulating layer may be formed while entirely covering the side surface of the first substrate through the thickness of the substrate.
The insulating layer may separate the second substrate into at least two regions.
In addition, the insulating layer may protrude from one edge of the first substrate to separate the second substrate.
In addition, the insulating layer may be formed in at least two ring shapes with respect to the center of the center of the first substrate.
In addition, the insulating layer may be formed by anodizing at least one of the side surfaces of the second substrate.
The substrate may further include a pinned layer formed on at least one of the upper and lower surfaces of the substrate to correspond to the insulating layer.
In addition, the pinned layer may be made of any one selected from poly phthalamide (Poly Phthal Amid, PPA), epoxy resin, photosensitive partition paste, and mixtures thereof.
In addition, the first substrate may have a groove formed in the center of the upper surface thereof, and a reflecting plate may be further formed along the groove of the first substrate.
In addition, the optical device may be formed on the reflective plate.
In addition, the first substrate and the second substrate may be coupled to each other through an adhesive.
In addition, the first substrate may be made of any one selected from copper, copper alloy, aluminum, aluminum alloy, aluminum nitride, and silicon carbide.
In addition, the second substrate may be made of any one selected from copper, copper alloy, aluminum, aluminum alloy, aluminum nitride, and silicon carbide.
In addition, the method of manufacturing an optical device according to the present invention includes an anodizing step of anodizing a plurality of grooves formed along at least one of the surfaces of the base material along the longitudinal direction; Positioning the plurality of the base material to be engaged with each other, the coupling step of coupling the base material and the member by positioning the member inside the groove; A substrate separation step of separating the substrates by cutting the bonded base material and the member in the stacking direction of the base material; An optical element attaching step of attaching an optical element on an upper portion of the first substrate formed corresponding to the member in the region of the substrate; An electrical connection step of connecting a second substrate formed in a region of the substrate corresponding to the base material with the optical element and a conductive wire; And a protective layer forming step of forming a protective layer on the substrate to surround the optical device and the conductive wire.
The anodizing step may be anodizing only the groove or anodizing the entire surface of the base material on which the groove is formed.
And the bonding step may be to combine the base material and the member with each other through an adhesive.
In addition, the manufacturing method of the optical device according to the present invention comprises the anodizing step of anodizing the inside of the through hole penetrating the corresponding opposite surface from one surface of the base material; Combining the base material and the member by placing a member whose volume is contracted by being exposed to an environment of a temperature lower than room temperature in the through hole; A temperature raising step of raising the combined base material and the member to fill the inside of the through hole; A substrate separation step of separating the substrates by cutting the bonded base material and the member in the stacking direction of the base material; An optical element attaching step of attaching an optical element on an upper portion of the first substrate formed corresponding to the member in the region of the substrate; An electrical connection step of connecting a second substrate formed in a region of the substrate corresponding to the base material with the optical element and a conductive wire; And a protective layer forming step of forming a protective layer on the substrate to surround the optical device and the conductive wire.
Here, the temperature raising step may be to heat the combined base material and the member to expand the volume of the member.
And the step of raising the temperature may be to leave the combined base material and the member at room temperature to expand the volume of the member.
An optical device according to the present invention comprises a first substrate formed of any one selected from the group consisting of copper, copper alloy, aluminum, aluminum alloy, aluminum nitride and silicon carbide in the center, copper, copper alloy, aluminum, A second substrate formed of any one selected from aluminum alloy, aluminum nitride, and silicon carbide may be used to easily dissipate heat generated in an optical device to a lower portion of the substrate.
In addition, the optical device according to the present invention can improve the reliability by separating the first substrate and the second substrate through the insulating layer to prevent the electrodes of the optical device connected to the first substrate and the second substrate to be short-circuited. .
1 is a cross-sectional view of an optical device according to an embodiment of the present invention.
2 is a plan view illustrating an optical device formed on a substrate used in an optical device according to an exemplary embodiment of the present invention.
3 is a cross-sectional view of an optical device according to another embodiment of the present invention.
4 is a plan view showing that an optical device is formed on a substrate used in another optical device according to the present invention.
5 is a cross-sectional view of an optical device according to another embodiment of the present invention.
6 is a plan view showing that an optical element is formed on a substrate used in another optical element device of the present invention.
7 is a cross-sectional view of an optical device according to another embodiment of the present invention.
8 is a flowchart for explaining a method of manufacturing an optical device according to an embodiment of the present invention.
9 to 18 are views for explaining a method of manufacturing an optical device according to an embodiment of the present invention.
19 to 24 are views for explaining a method of manufacturing an optical device according to another embodiment of the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.
Hereinafter, the configuration of an optical device according to an embodiment of the present invention.
1 is a cross-sectional view of an optical device according to an embodiment of the present invention. 2 is a plan view illustrating an optical device formed on a substrate used in an optical device according to an exemplary embodiment of the present invention.
1 and 2, an
The
The
The
The
The insulating
The
The pinned
The
The
The
The
In addition, the
As described above, the
Hereinafter, the configuration of an optical device according to another embodiment of the present invention will be described.
3 is a cross-sectional view of an optical device according to another embodiment of the present invention. 4 is a plan view showing that an optical device is formed on a substrate used in another optical device according to the present invention. Parts having the same configuration and operation as those of the foregoing embodiment are denoted by the same reference numerals, and will be described below with emphasis on differences.
3 and 4, an
The
Here, the
The
The insulating
As described above, the
Hereinafter, the configuration of an optical device according to another embodiment of the present invention.
5 is a cross-sectional view of an optical device according to another embodiment of the present invention. 6 is a plan view showing that an optical element is formed on a substrate used in another optical element device of the present invention.
5 and 6, an
The
The
The second
As described above, the
Hereinafter, the configuration of an optical device according to another embodiment of the present invention.
7 is a cross-sectional view of an optical device according to another embodiment of the present invention.
Referring to FIG. 7, an
The
The
The
As described above, the
Hereinafter, a method of manufacturing an optical device according to an embodiment of the present invention will be described.
8 is a flowchart for explaining a method of manufacturing an optical device according to an embodiment of the present invention. 9 to 18 are views for explaining a method of manufacturing an optical device according to an embodiment of the present invention.
Referring to FIG. 8, a method of manufacturing an
8, 9, and 10, the anodizing step S1 includes a
Referring to FIG. 9, the
Referring to FIG. 10, anodizing is performed on a surface provided with the
In addition, after the anodizing step S1, pores having a fine size existing inside the
8 and 11, the coupling step S2 is a step of engaging the
8, 12, 13A and 13B, the substrate separating step S3 is a step of forming the
As shown in FIG. 12, the
8 and 14, the fixing layer forming step S4 is a step of forming the
In addition, before and after the pinned
8 and 15, the partition wall forming step S5 is a step of forming the
8 and 16, the optical device attaching step S6 is a step of attaching the
8 and 17, the electrical connection step S7 is a step of connecting the
8 and 18, the protective layer forming step S8 is a step of forming the
Hereinafter, a method of manufacturing an optical device according to another exemplary embodiment of the present invention will be described.
Hereinafter, a method of manufacturing an optical device according to another exemplary embodiment of the present invention will be described.
19 is a flowchart for explaining a method of manufacturing an optical device according to another embodiment of the present invention. 20 to 24 are views for explaining a method of manufacturing an optical device according to another embodiment of the present invention.
Referring to FIG. 19, a method of manufacturing an
19, 20 and 21, the anodizing step (S1) is a copper, copper alloy, aluminum, aluminum alloy, aluminum nitride formed with at least one through hole (10b) from one surface to the corresponding opposite surface And a
19 and 22, the bonding step S2 is a step of bonding the contracted
19 and 23, the temperature raising step S3 is a step of raising the temperature in a state in which the
19 and 24, the substrate separating step S4 is a step of forming the
Meanwhile, in addition, the fixed layer forming step (S5) to the protective layer forming step (S9) is the same as the fixed layer forming step (S4) to the protective layer forming step (S8) of the manufacturing method described above. Therefore, detailed description of the above steps will be omitted.
In addition, although the manufacturing method of the
What has been described above is just one embodiment for carrying out the optical device according to the present invention and a manufacturing method thereof, and the present invention is not limited to the above embodiment, and as claimed in the following claims, the present invention Without departing from the gist of the present invention, those skilled in the art to which the present invention pertains to the technical spirit of the present invention to the extent that various changes can be made.
100, 200, 300, 400; Optical device
110, 210, 310, 410; Board
111, 411;
113, 213;
315;
130;
150;
420; Reflective layer
Claims (19)
An optical element formed on the first substrate;
A conductive wire electrically connecting the second substrate and the optical device; And
And a protective layer formed to surround the optical element and the conductive wire.
And the insulating layer penetrates through the thickness of the substrate and entirely surrounds the side surface of the first substrate.
And the insulating layer separates the second substrate into at least two regions.
And the insulating layer protrudes from one side edge of the first substrate to separate the second substrate.
The insulating layer is an optical element device formed in at least two ring shape with respect to the center of the center of the first substrate,
And the insulating layer is formed by anodizing at least one of the side surfaces of the second substrate.
And a pinned layer formed on at least one of an upper surface and a lower surface of the substrate to correspond to the insulating layer.
The pinned layer is any one selected from poly phthalamide (Poly Phthal Amid, PPA), epoxy resin, photosensitive partition paste, and mixtures thereof.
The first substrate has a groove formed in the center of the upper surface toward the inside, the optical element device further formed with a reflector along the groove of the first substrate.
An optical element device, wherein the optical element is formed on the reflection plate.
And the first substrate and the second substrate are coupled to each other via an adhesive.
And the first substrate is any one selected from copper, copper alloy, aluminum, aluminum alloy, aluminum nitride, and silicon carbide.
The second substrate is any one selected from copper, copper alloy, aluminum, aluminum alloy, aluminum nitride and silicon carbide.
Positioning the plurality of the base material to be engaged with each other, the coupling step of coupling the base material and the member by positioning the member inside the groove;
A substrate separation step of separating the substrates by cutting the bonded base material and the member in the stacking direction of the base material;
An optical element attaching step of attaching an optical element on an upper portion of the first substrate formed corresponding to the member in the region of the substrate;
An electrical connection step of connecting a second substrate formed in a region of the substrate corresponding to the base material with the optical element and a conductive wire; And
A protective layer forming step of forming a protective layer on top of the substrate to surround the optical element and the conductive wire.
And the anodizing step anodizes only the grooves or anodizes the entire surface of the base material on which the grooves are formed.
The bonding step is a method of manufacturing an optical element device for bonding the base material and the member to each other through an adhesive.
Combining the base material and the member by placing a member whose volume is contracted by being exposed to an environment of a temperature lower than room temperature in the through hole;
A temperature raising step of raising the combined base material and the member to fill the inside of the through hole;
A substrate separation step of separating the substrates by cutting the bonded base material and the member in the stacking direction of the base material;
An optical element attaching step of attaching an optical element on an upper portion of the first substrate formed corresponding to the member in the region of the substrate;
An electrical connection step of connecting a second substrate formed in a region of the substrate corresponding to the base material with the optical element and a conductive wire; And
A protective layer forming step of forming a protective layer on top of the substrate to surround the optical element and the conductive wire.
The heating step is a method of manufacturing an optical element device to heat the base material and the member bonded to expand the volume of the member.
Wherein the step of raising the temperature of the optical element device to allow the volume of the member to expand by leaving the combined base material and the member at room temperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020100015692A KR101124254B1 (en) | 2010-02-22 | 2010-02-22 | Optical Element Device Substrate and the Optical Element Device thereby and fabricating method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020100015692A KR101124254B1 (en) | 2010-02-22 | 2010-02-22 | Optical Element Device Substrate and the Optical Element Device thereby and fabricating method thereof |
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KR20110096315A true KR20110096315A (en) | 2011-08-30 |
KR101124254B1 KR101124254B1 (en) | 2012-03-27 |
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KR1020100015692A KR101124254B1 (en) | 2010-02-22 | 2010-02-22 | Optical Element Device Substrate and the Optical Element Device thereby and fabricating method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9913381B2 (en) | 2013-08-16 | 2018-03-06 | Point Engineering Co., Ltd. | Base substrate which prevents burrs generated during the cutting process and method for manufacturing the same |
KR20210147524A (en) * | 2020-05-29 | 2021-12-07 | 주식회사 옵토웰 | Optical sensor module and manufacturing method of optical sensor module |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102006388B1 (en) | 2012-11-27 | 2019-08-01 | 삼성전자주식회사 | Light emitting device package |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006303548A (en) | 2001-04-17 | 2006-11-02 | Nichia Chem Ind Ltd | Light-emitting device |
KR100616692B1 (en) | 2005-08-01 | 2006-08-28 | 삼성전기주식회사 | Led package comprising metal substrate and menufacturing method thereof |
KR100869530B1 (en) | 2007-06-13 | 2008-11-19 | 서울반도체 주식회사 | Led package for back light and back light unit comprising the same |
KR100986211B1 (en) * | 2008-01-04 | 2010-10-07 | 주식회사 이츠웰 | Metal substrate, method of making the substrate, and smd type led package using the substrate |
-
2010
- 2010-02-22 KR KR1020100015692A patent/KR101124254B1/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9913381B2 (en) | 2013-08-16 | 2018-03-06 | Point Engineering Co., Ltd. | Base substrate which prevents burrs generated during the cutting process and method for manufacturing the same |
KR20210147524A (en) * | 2020-05-29 | 2021-12-07 | 주식회사 옵토웰 | Optical sensor module and manufacturing method of optical sensor module |
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KR101124254B1 (en) | 2012-03-27 |
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