WO2007105791A1 - 側面発光半導体素子及び側面発光半導体素子の製造方法 - Google Patents
側面発光半導体素子及び側面発光半導体素子の製造方法 Download PDFInfo
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- WO2007105791A1 WO2007105791A1 PCT/JP2007/055203 JP2007055203W WO2007105791A1 WO 2007105791 A1 WO2007105791 A1 WO 2007105791A1 JP 2007055203 W JP2007055203 W JP 2007055203W WO 2007105791 A1 WO2007105791 A1 WO 2007105791A1
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- Prior art keywords
- layer
- light emitting
- ridge
- emitting semiconductor
- semiconductor element
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/0004—Devices characterised by their operation
- H01L33/0033—Devices characterised by their operation having Schottky barriers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
Definitions
- the present invention relates to a side light emitting semiconductor element and a method for manufacturing a side light emitting semiconductor element.
- semiconductor light-emitting elements used in dot matrix display devices semiconductor light-emitting devices used in knock lights for liquid crystal display devices of mobile phones, as semiconductor light-emitting devices used in display devices for displaying images, etc.
- a representative example is a semiconductor light emitting element used in a backlight for a liquid crystal display device of a television.
- red LED Light Emitting Diode
- green LED and blue LED semiconductor light emitting elements are arranged side by side.
- a liquid crystal display device of a mobile phone has a blue LED and a yellow LED semiconductor light emitting element arranged as a backlight.
- the liquid crystal display device of a cellular phone can form white light by a blue LED and a yellow LED semiconductor emitting element.
- a liquid crystal display device for a television semiconductor light emitting elements of red LED, green LED, and blue LED are arranged side by side as a knock light.
- TV LCD devices use more green LEDs than red and blue LEDs.
- a side light emitting semiconductor device having a strip-shaped ridge formed on an upper part of a laminated structure including an active layer is generally known.
- the side surface light emitting semiconductor element includes an n-type nitride semiconductor layer (n-type contact layer 502 to n-type light guide layer 504), MQW active layer 506, p Type nitride semiconductor layers (P-type first light guide layer 507 to p-type contact layer 510), and a striped ridge is formed in the p-type nitride semiconductor layer.
- the side surface light emitting semiconductor element has a structure in which the exposed surface of the ridge is covered with an insulating film 515 except for the upper surface of the p-type contact layer 510 that is electrically connected to the p-electrode 513 (for example, JP 2001-15851).
- a striped ridge is first formed in the p-type nitride semiconductor layer, and then an insulating film is formed on the ridge.
- the insulating film 515 formed on the p-type contact layer 510 above the ridge is removed, and a p-electrode 513 is formed on at least the exposed p-type contact layer 510, whereby side light emission A semiconductor element can be manufactured.
- the side light emitting semiconductor device According to the side light emitting semiconductor device that works, when a current is passed between the p electrode 513 and the n electrode 514, the holes flowing from the p electrode 513 are concentrated on the ridge and further below the ridge. Concentrate in the MQW active layer 506 region corresponding to. As a result, light can be emitted by recombination of holes and electrons in the region of the MQW active layer 506 corresponding to the lower side of the strong ridge. That is, the side light emitting semiconductor element can emit light from a local region.
- Such a side light emitting semiconductor element can realize a high current confinement effect, a current confinement effect, and a light confinement effect, and is generally evaluated as a structure with high energy efficiency.
- the first feature of the side surface light emitting semiconductor device is that an upper portion of a laminated structure including an AlGaN layer doped with an Mg concentration of 5 ⁇ 10 19 cm “ 3 or less, an AlGaN layer, and an active layer And a Schottky ⁇ rear formed on the upper surface of the laminated structure other than the ridge from which the AlGaN layer is exposed.
- the striped ridge formed on the upper part of the laminated structure including the AlGaN layer and the active layer, and the Schottky formed on the upper surface of the laminated structure other than the ridge from which the AlGaN layer is exposed Since noria is provided, it is not necessary to remove only the insulating film in the ridge that should be in ohmic contact with the p electrode, and the yield is improved.
- the Mg concentration is 5 X 10 19 c
- the hole (hole) concentration of the AlGaN layer is reduced, so that the holes are less likely to flow into the AlGaN layer because of the Schottky Noria force.
- the resistance between the AlGaN layer is high.
- the upper part of the ridge may be a GaN layer doped with Mg concentration of 1 ⁇ 10 19 cm 3 or more! /.
- the upper portion of the ridge is a GaN layer doped with Mg concentration of 1 ⁇ 10 19 cm 3 or more, so that the hole concentration at the upper portion of the ridge is higher, The current confinement effect of the ridge can be further improved.
- a metal layer made of Pd or Ni may be further provided on at least a part of the Schottky nolia and the ridge.
- the strong feature by providing a metal layer made of Pd or M on at least a part of the Schottky noria and on the ridge, ohmic characteristics can be obtained with respect to the AlGaN layer and the GaN layer. Since it is possible to obtain an easy electrode, it is possible to further facilitate the flow of holes to the upper part of the ridge, so that the current confinement effect of the ridge can be further improved.
- a second aspect of the present invention is a method for manufacturing a side-emitting semiconductor device, the concentration of Mg is, 5 X 10 19 cm 3 the upper part of the laminated structure including the AlGaN layer and the active layer doped below
- a step of forming a striped ridge by dry etching using ion bombardment, and a step of forming Schottky noria by dry etching using ion bombardment on the upper surface of the laminated structure other than the ridge from which the AlGaN layer is exposed It is summarized as having.
- a ridge is formed on the upper part of the laminated structure including the AlGaN layer doped with an Mg concentration of 5 ⁇ 10 19 cm 3 or less and the active layer, and the AlGaN layer is exposed.
- the n-type inversion layer (that is, the Schottky variability) makes holes difficult to flow by giving moderate damage to the top surface of the laminated structure other than by dry etching using ion bombardment. A) is formed.
- the resistance between the Schottino ⁇ rear and the AlGaN layer is high, and it is easy for holes to flow only in the ridge, the current confinement effect, current confinement effect, and optical confinement effect are easily realized in the ridge, and the active layer It is possible to emit light in a narrow area.
- FIG. 1 is a diagram showing a cross-sectional structure of a side light emitting semiconductor element according to an embodiment of the present invention.
- FIG. 2 is a flowchart showing a method for manufacturing a side light emitting semiconductor element according to an embodiment of the present invention.
- FIG. 3 is a cross-sectional view of the side light emitting semiconductor element after the stacking step of the method for manufacturing the side light emitting semiconductor element according to one embodiment of the present invention is performed.
- FIG. 4 is a cross-sectional view of a side light emitting semiconductor element in a stripe pattern forming step of a method for manufacturing a side light emitting semiconductor element according to an embodiment of the present invention.
- FIG. 5 is a cross-sectional view of a side light emitting semiconductor element in a ridge forming step of a method for manufacturing a side light emitting semiconductor element according to an embodiment of the present invention.
- FIG. 6 is a sectional structural view of an ICP etcher used in a ridge formation step and a Schottky barrier generation step in the method for manufacturing a side light emitting semiconductor device according to one embodiment of the present invention.
- FIG. 7 is a cross-sectional view of the side light emitting semiconductor element after the electrode forming step of the method for manufacturing a side light emitting semiconductor element according to one embodiment of the present invention is performed.
- FIG. 8 is a diagram showing a cross-sectional structure of a semiconductor light emitting device according to the prior art.
- FIG. 1 shows a cross-sectional structure of a side light emitting semiconductor device according to this embodiment.
- a side light emitting LED Light Emitting Diode
- the side surface light emitting semiconductor element includes an n-type contact layer 102, an n-type cladding layer 103, an n-type light guide layer 104, and an n-type superlattice layer 105.
- a stacked structure comprising an MQW active layer 106, a p-type first light guide layer 107, a p-type second light guide layer 108, a p-type cladding layer 109, and a p-type contact layer 110 .
- a stripe-shaped ridge is formed in the upper part of the above-described stacked structure (that is, a part of the p-type cladding layer 109 and the p-type contact layer 110).
- the n-electrode 114 is formed on the main surface of the n-type contact layer 102 by an Al / Ti / Au multilayer metal film.
- the n-electrode 114 may be formed of an Al / Ni / Au multilayer metal film or an Al / Pd / Au multilayer metal film.
- the p-electrode 113 is laminated in order of a Pd layer and an Au layer on at least a part of the Schottky noria 1091 and on the ridge, and is in ohmic contact with the p-type contact layer 110.
- the p electrode 113 may be formed of a Ni layer and an Au layer by laminating a Ni layer instead of the Pd layer.
- the n-type contact layer 102 is formed of GaN doped with Si.
- the n-type cladding layer 103 is formed of Al GaN doped with Si. n-type light
- the guide layer 104 is made of undoped GaN.
- the n-type superlattice layer 105 has a superlattice structure in which InGaN layers and GaN layers are alternately stacked, and each InGaN layer and GaN layer has a thickness of 30 nm or less.
- the MQW active layer 106 has a multiple quantum well structure (MQW structure: Multi Quantum Well) formed by a nitride semiconductor containing In.
- MQW structure Multi Quantum Well
- the MQW active layer 106 is formed of In GaN having a thickness of 3 nm.
- the p-type first light guide layer 107 is made of undoped GaN or In GaN containing about 1% In.
- the p-type second light guide layer 108 is formed of undoped GaN.
- p-type cladding layer 109 the concentration of Mg is, 5 X 10 19 cm- 3 doped below Al Ga N (0 x 1- x
- the Mg concentration in the p-type cladding layer 109 is more preferably 1 ⁇ 10 18 cm ⁇ 3 or more. Since the Mg concentration in the p-type cladding layer 109 is 1 ⁇ 10 18 cm 3 or more, the p-type cladding layer 109 can further flow holes from the p-type contact layer 110.
- the p-type contact layer 110 is formed of GaN doped with a Mg concentration of 1 ⁇ 10 19 cm 3 or more. Note that the Mg concentration of the p-type contact layer 110 is more preferably 5 ⁇ 10 19 cm 3 or more and 5 ⁇ 10 2 ° cm 3 or less. When the Mg concentration force of the p-type contact layer 110 is higher than 5 ⁇ 10 2 ° cm 3 , the doped Mg may break the GaN crystal.
- a Schottky noor 1091 is formed in a portion where the p-type contact layer 110 is not formed. Therefore, the p-type contact layer 110 is formed on the upper surface of the p-type cladding layer 109, and the portion is in Schottky contact with the p-electrode 113.
- the p-type contact layer 110 forms a striped ridge together with a part of the p-type cladding layer 109, and the upper surface of the p-type contact layer 110 is in ohmic contact with the p-electrode 113.
- an n-type buffer layer 101, an n-type contact layer 102, an n-type cladding are sequentially formed on a sapphire substrate (hereinafter referred to as a substrate 100).
- a substrate 100 a sapphire substrate
- a stacking process for crystal growth (epitaxial growth) of the contact layer 110 is performed.
- MOCVD Metal Organic Che mical Vapor Deposition
- the temperature in the MOCVD apparatus is lowered to about 600 ° C, and an n-type buffer layer 101 made of GaN is epitaxially grown on the substrate 100 for crystal growth (hereinafter simply referred to as crystal growth). Show as growth).
- the temperature in the MOCVD apparatus is raised again to about 1000 ° C, and the n-type contact layer 102, the n-type cladding layer 103, and the n-type light guide layer are sequentially formed on the n-type buffer layer 101.
- 104, n-type superlattice layer 105, MQW active layer 106, p-type first light guide layer 107, p-type second light guide layer 108, p-type cladding layer 109, and p-type contact layer 110 are grown.
- FIG. 3 shows a cross-sectional view of the side light emitting semiconductor element after such a stacking process has been performed.
- step S102 a stripe pattern forming step of forming a stripe pattern by SOG (Spin on glass) is performed.
- FIG. 4 shows a cross-sectional view of the side surface light emitting semiconductor element in the striking stripe pattern forming process.
- the stripe pattern forming process will be described in detail with reference to FIG.
- the SOG material is a solution obtained by dissolving a carboxylic acid compound in an organic solvent.
- silicate glass (SiO 2) is mainly produced by firing the applied SOG material at about 450 ° C.
- a two-component SOG layer 111 is formed.
- a resist film is applied on the SOG layer 111, and a resist pattern 112 is formed by photolithography.
- the SOG layer 111 is etched using the resist pattern 112 as a mask.
- the strong etching may be wet etching using notched hydrofluoric acid (BHF) or dry etching using F-based gas (CF, SF, etc.).
- BHF notched hydrofluoric acid
- CF F-based gas
- step S103 a ridge structure forming step of forming a ridge composed of the p-type contact layer 110 is performed using an inductively coupled plasma (ICP) etcher.
- ICP inductively coupled plasma
- FIG. 5 is a cross-sectional view of the side light emitting semiconductor element in the ridge structure forming step that is applied.
- Fig. 6 shows a specific example of an ICP etcher used for powerful etching.
- the ICP etcher includes a chamber 201, a lower electrode 202, an exhaust port 203, a quartz plate 204, a high frequency power source 205, An ICP high-frequency power source 207 and a gas inlet 208 are provided.
- Such an ICP etcher uses a high frequency power (P) applied to the ICP coil 206 by the ICP high frequency power source 207 to turn the reactive gas into plasma, and the plasmaized reactive species.
- P high frequency power
- Etching is possible by damaging 09.
- the member to be etched 209 (in this embodiment, the side light emitting semiconductor element (laminated structure) after step 102 is performed) is disposed on the ICP etcher. Apply the first high frequency power (P and P).
- the DC bias voltage is applied to the etching target member 209 (laminated structure) disposed on the lower electrode 202 in the chamber 201 of the ICP etcher mainly by the high frequency power applied to the high frequency power source 205.
- V_DC occurs.
- the degree of damage generated in the p-type contact layer 110 to the n-type contact layer 102 can be defined by the applied V_DC.
- V_DC preferably V_DC ⁇ 40V
- P 300 as the first high-frequency power.
- Etching p-type contact layer 110 made of GaN by applying W, P 25W
- V_DC generated on the etching target member 209 is about 10 V, for example, which is very small.
- P is used as the first high-frequency power.
- the layer 102 is etched.
- step S104 by using ion bombardment using an ICP etcher, the p-type contact layer 110 is etched on the upper surface of the laminated structure other than the ridge structure (that is, the upper surface of the p-type cladding layer 109).
- a Schottky barrier generation process for generating the Schottky barrier 1091 is performed.
- the member to be etched 209 (in this embodiment, the side light emitting semiconductor element (stacked structure) after step 103 is performed) is disposed in the ICP etcher.
- the first high power that is higher than the first high frequency power (P and P)
- P is used as the second high-frequency power.
- Etch p-type cladding layer 109 by applying 300W, P 120W
- the remaining etching thickness can be measured by an interferometer using a laser.
- Such an interferometer can know the spacing force etching depth of the interference fringes caused by the interference between the reflected wave from the interface on the upper surface and the reflected wave of the interface force on the lower surface.
- step S105 an electrode forming process for forming the ⁇ electrode 114 and the ⁇ electrode 113 is performed.
- the exposed surface of the ⁇ -type contact layer 102 formed in step S103 is washed with hydrochloric acid, and the A1 layer, the Ti layer, and the Au layer are stacked in this order on the exposed surface.
- N Electrode 114 is formed.
- the n electrode 114 may be formed of an A1 / Ni / Au multilayer metal film or an Al / Pd / Au multilayer metal film by using a Ni layer or a Pd layer instead of the Ti layer. ⁇
- the Schottky barrier 1091 and the ridge are washed with hydrochloric acid, and a Pd layer and an Au layer are stacked in this order, thereby forming the p-electrode 113.
- the p electrode 113 may be formed of a Ni layer and an Au layer by laminating a Ni layer instead of the Pd layer.
- FIG. 7 shows a cross-sectional view of the side light emitting semiconductor element after the n-electrode 114 and the p-electrode 113 are formed.
- the substrate 100 and the n-type buffer layer 101 are ground, and the back surface of the n-type contact layer 102 is polished.
- the side light emitting semiconductor element shown in FIG. 1 is obtained by cleaving to the width of the side light emitting semiconductor element.
- Such cleavage is a cleavage for a side-emitting LED that does not form a mirror surface for obtaining a semiconductor laser device, and therefore does not require high accuracy and may be slightly failed.
- a stripe-shaped ridge formed on the top of the laminated structure including the p-type cladding layer 109 and the MQW active layer 106 and a ridge other than the ridge from which the p-type cladding layer 109 is exposed. Since the Schottky noria 1091 formed on the upper surface of the laminated structure is provided, it is not necessary to remove only the insulating film in the ridge that should be in ohmic contact with the p-electrode 113, thereby improving the yield.
- the hole concentration of the p-type cladding layer 109 is reduced. That is, since holes are less likely to flow from the Schottky barrier 1091 to the p-type cladding layer 109, the resistance between the Schottky barrier 1091 and the p-type cladding layer 109 is increased.
- the side-emitting semiconductor element facilitates the flow of holes only in the ridge, the ridge easily realizes the current confinement effect, the current confinement effect, and the light confinement effect, and the narrow region of the active layer Force light can be emitted. Accordingly, it is possible to obtain a side-emitting semiconductor element that emits light with a simple structure and a local region force with a good yield.
- the upper portion of the ridge is the p-type contact layer 110 having a GaN force doped with Mg concentration of 1 X 10 19 cm 3 or more, so that the electron concentration in the upper portion of the ridge is increased.
- the current confinement effect of the ridge can be further improved.
- the p-electrode 113 that is also Pd or N on at least a part of the Schottky noor 1091 and on the ridge, the p-type cladding layer 109 layer and the p-type contact layer 110 are ohmic. Since an electrode with easy characteristics can be obtained, it becomes easier for holes to flow above the ridge, so that the current confinement effect of the ridge can be further improved.
- the laminated structure including the p-type cladding layer 109 and the MQW active layer 106 having an AlGaN force doped to a Mg concentration of 5 ⁇ 10 19 cm 3 or less.
- the ridge is formed on the top of the structure, and the upper surface of the laminated structure other than the ridge where the p-type cladding layer 109 is exposed is appropriately damaged by dry etching using ion bombardment, so that holes do not flow easily.
- An n-type inversion layer ie, Schottky noor 1091
- the side-emitting LED according to this embodiment can be used in, for example, a head-mounted display device.
- a head-mounted display device is a display device shaped like a goggle or a helmet. When a head-mounted display device is worn on the head, one display unit is placed in front of the left and right eyes.
- a semiconductor light emitting element that emits red light, a semiconductor light emitting element that emits green light, and a semiconductor light emitting element that emits blue light are arranged as light sources having a narrow spectrum.
- a head-mounted display device transmits light, which is also emitted by a semiconductor light-emitting element, to the human retina via an optical fiber. An image is formed on the retina.
- the local region force can also emit light, so that the coupling efficiency with the optical fiber can be improved.
- the power-emitting side-emitting LED does not have a complicated structure and has a good yield, and thus is provided as an inexpensive semiconductor light-emitting element.
- the power of the present invention illustrated for the side-emitting LED is not limited to this, and can also be used for a side-emitting semiconductor laser element.
- the present invention it is possible to provide a side-emitting semiconductor element that emits light with a local region force with a high yield and a method for manufacturing the side-emitting semiconductor element.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US12/225,095 US20090097521A1 (en) | 2006-03-15 | 2007-03-15 | Side Surface Light Emitting Semiconductor Element And Method Of Manufacturing The Same |
DE112007000602T DE112007000602T5 (de) | 2006-03-15 | 2007-03-15 | Ein an einer Seitenfläche Licht emittierendes Halbleiterelement und Verfahren zum Herstellen desselben |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006071481A JP4362125B2 (ja) | 2006-03-15 | 2006-03-15 | 側面発光半導体素子及び側面発光半導体素子の製造方法 |
JP2006-071481 | 2006-03-15 |
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WO2007105791A1 true WO2007105791A1 (ja) | 2007-09-20 |
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PCT/JP2007/055203 WO2007105791A1 (ja) | 2006-03-15 | 2007-03-15 | 側面発光半導体素子及び側面発光半導体素子の製造方法 |
Country Status (7)
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US (1) | US20090097521A1 (ja) |
JP (1) | JP4362125B2 (ja) |
KR (1) | KR20080112264A (ja) |
CN (1) | CN101401223A (ja) |
DE (1) | DE112007000602T5 (ja) |
TW (1) | TW200805708A (ja) |
WO (1) | WO2007105791A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9257608B2 (en) | 2013-09-13 | 2016-02-09 | Kabushiki Kaisha Toshiba | Nitride semiconductor light emitting device |
WO2018040660A1 (zh) * | 2016-08-31 | 2018-03-08 | 厦门三安光电有限公司 | 一种激光二极管及其制作方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5346443B2 (ja) | 2007-04-16 | 2013-11-20 | ローム株式会社 | 半導体発光素子およびその製造方法 |
JP2009158550A (ja) * | 2007-12-25 | 2009-07-16 | Sony Corp | 半導体発光素子及びこれを用いた表示装置 |
CN102655195B (zh) * | 2011-03-03 | 2015-03-18 | 赛恩倍吉科技顾问(深圳)有限公司 | 发光二极管及其制造方法 |
KR101303592B1 (ko) * | 2011-12-27 | 2013-09-11 | 전자부품연구원 | 질화물계 반도체 소자의 제조 방법 |
JP6323782B2 (ja) * | 2013-08-26 | 2018-05-16 | パナソニックIpマネジメント株式会社 | 半導体発光素子及び半導体発光素子の製造方法 |
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JPH10163571A (ja) * | 1996-11-29 | 1998-06-19 | Nichia Chem Ind Ltd | 窒化物半導体レーザ素子 |
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US5903017A (en) * | 1996-02-26 | 1999-05-11 | Kabushiki Kaisha Toshiba | Compound semiconductor device formed of nitrogen-containing gallium compound such as GaN, AlGaN or InGaN |
JP2001015851A (ja) | 1999-07-01 | 2001-01-19 | Sony Corp | 半導体レーザ素子及びその作製方法 |
US6597717B1 (en) * | 1999-11-19 | 2003-07-22 | Xerox Corporation | Structure and method for index-guided, inner stripe laser diode structure |
US7655953B2 (en) * | 2004-08-31 | 2010-02-02 | Sanyo Electric Co., Ltd. | Semiconductor laser apparatus |
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2006
- 2006-03-15 JP JP2006071481A patent/JP4362125B2/ja not_active Expired - Fee Related
-
2007
- 2007-03-15 TW TW096108974A patent/TW200805708A/zh unknown
- 2007-03-15 US US12/225,095 patent/US20090097521A1/en not_active Abandoned
- 2007-03-15 KR KR1020087024200A patent/KR20080112264A/ko not_active Application Discontinuation
- 2007-03-15 CN CNA2007800090735A patent/CN101401223A/zh active Pending
- 2007-03-15 DE DE112007000602T patent/DE112007000602T5/de not_active Withdrawn
- 2007-03-15 WO PCT/JP2007/055203 patent/WO2007105791A1/ja active Application Filing
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JPH10163571A (ja) * | 1996-11-29 | 1998-06-19 | Nichia Chem Ind Ltd | 窒化物半導体レーザ素子 |
JP2002261326A (ja) * | 2001-03-02 | 2002-09-13 | Nagoya Kogyo Univ | 窒化ガリウム系化合物半導体素子の製造方法 |
JP2005340576A (ja) * | 2004-05-28 | 2005-12-08 | Sharp Corp | 半導体レーザ素子およびその製造方法、光ディスク装置並びに光伝送システム |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US9257608B2 (en) | 2013-09-13 | 2016-02-09 | Kabushiki Kaisha Toshiba | Nitride semiconductor light emitting device |
WO2018040660A1 (zh) * | 2016-08-31 | 2018-03-08 | 厦门三安光电有限公司 | 一种激光二极管及其制作方法 |
Also Published As
Publication number | Publication date |
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TW200805708A (en) | 2008-01-16 |
CN101401223A (zh) | 2009-04-01 |
US20090097521A1 (en) | 2009-04-16 |
DE112007000602T5 (de) | 2009-01-15 |
KR20080112264A (ko) | 2008-12-24 |
JP2007250788A (ja) | 2007-09-27 |
JP4362125B2 (ja) | 2009-11-11 |
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