WO2012130657A1 - Optoelektronisches bauelement und verfahren zum betrieb eines optoelektronischen bauelements - Google Patents
Optoelektronisches bauelement und verfahren zum betrieb eines optoelektronischen bauelements Download PDFInfo
- Publication number
- WO2012130657A1 WO2012130657A1 PCT/EP2012/054816 EP2012054816W WO2012130657A1 WO 2012130657 A1 WO2012130657 A1 WO 2012130657A1 EP 2012054816 W EP2012054816 W EP 2012054816W WO 2012130657 A1 WO2012130657 A1 WO 2012130657A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- semiconductor chip
- emitting semiconductor
- absorbing
- photocurrent
- 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.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F55/00—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto
- H10F55/10—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the radiation-sensitive semiconductor devices control the electric light source, e.g. image converters, image amplifiers or image storage devices
- H10F55/15—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the radiation-sensitive semiconductor devices control the electric light source, e.g. image converters, image amplifiers or image storage devices wherein the radiation-sensitive devices and the electric light source are all semiconductor devices
- H10F55/155—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the radiation-sensitive semiconductor devices control the electric light source, e.g. image converters, image amplifiers or image storage devices wherein the radiation-sensitive devices and the electric light source are all semiconductor devices formed in, or on, a common substrate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W90/00—Package configurations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/50—Bond wires
- H10W72/541—Dispositions of bond wires
- H10W72/5449—Dispositions of bond wires not being orthogonal to a side surface of the chip, e.g. fan-out arrangements
Definitions
- An optoelectronic component and method for operating an optoelectronic component are specified.
- LEDs are connected and these in the case of current ⁇ or voltage pulses, for example due to
- ESD electrostatic discharges
- ESD protection diodes are commonly referred to as ESD protection diodes.
- At least one object of certain embodiments is to specify an optoelectronic component with light-emitting semiconductor chips.
- a further object of certain embodiments is to specify a method for operating an optoelectronic component.
- an optoelectronic component has at least one light
- Optoelectronic component also have a plurality of light-emitting semiconductor chips.
- the at least one or the plurality of light-emitting semiconductor chips may in particular be epitaxially grown
- Semiconductor layer sequences may be formed or each having an epitaxially grown semiconductor layer sequence.
- the semiconductor layer sequence may comprise an arsenide, phosphide and / or nitride compound semiconductor material which is formed in terms of its composition and in terms of its layer structure corresponding to a desired radiated light.
- Semiconductor chips are particularly suitable for light in a wavelength range from ultraviolet radiation to
- At least one light-emitting semiconductor chip is inserted
- Wavelength conversion element which converts at least a portion of a primary light emitted by the light-emitting semiconductor chip into secondary light different therefrom.
- the wavelength conversion element may take the form of a
- Dye layer a dye plate or a
- the light-emitting semiconductor chips emit different light from each other, so that the optoelectronic component
- the light-emitting semiconductor chips can emit blue, red and green light, so that the optoelectronic component can emit mixed light in the form of different colors and / or white light, depending on the selected light intensity of the individual light-emitting conductor components.
- a light-emitting semiconductor chips can emit blue, red and green light, so that the optoelectronic component can emit mixed light in the form of different colors and / or white light, depending on the selected light intensity of the individual light-emitting conductor components.
- a light-emitting semiconductor chips can emit blue, red and green light, so that the optoelectronic component can emit mixed light in the form of different colors and / or white light, depending on the selected light intensity of the individual light-emitting conductor components.
- a light-emitting semiconductor chips can emit blue, red and green light, so that the optoelectronic component can emit mixed light in the form of different colors and / or white light, depending on the selected light intensity of the individual light-emitting conduct
- Has wavelength conversion element which converts emitted from the light-emitting semiconductor chip blue primary light into yellow and / or green and red secondary light, so that this light-emitting semiconductor chip emits white light during operation.
- Another light-emitting semiconductor chip can emit red light, whereby white mixed light with a high color rendering index can be achieved for the optoelectronic component.
- it may also have other combinations of differently colored and / or same-colored light
- the mixed-color light of the optoelectronic component may be adjustable and / or particularly preferably also readjusted to age-related color drifts.
- optoelectronic component at least one light
- the optoelectronic component can also have a plurality of light-absorbing semiconductor chips.
- the at least one or the plurality of light-absorbing semiconductor chips are in particular also designed as protective diodes, that is to say for example as ESD protection diodes. That means the Light-absorbing semiconductor chips have a forward voltage that is small enough to voltage or
- ESD pulses For the light-emitting
- Semiconductor chips may be harmful.
- a suitably selected breakdown voltage can be
- At least one light-absorbing semiconductor chip is a silicon diode. This can in particular have a forward voltage in the range of
- a light-emitting semiconductor chip embodied as a silicon diode can be particularly suitable for absorbing light in the visible to infrared spectral range and converting it into an electric photocurrent. As a result, such a light absorbing
- Semiconductor chip can also be used for the detection of light and for measuring light intensities, which are preferably in the visible to infrared wavelength range.
- Component be designed as silicon diodes.
- one or more light-absorbing semiconductor chips may be embodied as GaAs diodes, which
- Semiconductor chips that is, the light-emitting and the light-absorbing semiconductor chips, arranged on a support.
- the carrier can be used, for example, as a printed circuit board,
- Metal carrier for example in the form of a lead frame, ceramic carrier, plastic carrier or a combination thereof may be formed.
- the carrier may also be designed as a housing, in particular as a plastic housing
- the recess can be designed to be reflective, that is, for example, have reflective side surfaces and / or a reflective base surface on which the
- Semiconductor chips are mounted so that the light emitted from the light-emitting semiconductor chips light from
- Optoelectronic component can be uniformly emitted.
- the cover can be arranged, for example in the form of a potting or a lid over the semiconductor chips.
- the carrier has a housing with a depression in which the semiconductor chips are arranged, in particular the depression can be filled with a potting compound.
- the semiconductor chips may have an optical element in the form of a lens and / or an optical diffuser, such as a diffusion plate be subordinate to the radiation characteristics of the
- At least one first light-emitting semiconductor chip and a first light connected in antiparallel to it are provided on the carrier
- At least one second light-emitting semiconductor chip and a second light connected in antiparallel to it are absorbing
- the light is
- the semiconductor chips are arranged on the carrier in such a way that light of a light-emitting semiconductor chip strikes one of the light
- absorbing semiconductor chip is not connected to the light-emitting semiconductor chip. This can mean, for example, that light of the first light
- this may mean that light of the second light emitting
- the light-absorbing semiconductor chips may also be used to detect or measure the light emitted by the light
- Semiconductor chips radiated light can be used. Especially with optoelectronic components having a plurality of light-emitting semiconductor chips, it can by
- Optoelectronic component to achieve constant light intensity of the radiated mixed light, at certain times, for example, in certain time intervals, a color and brightness balance advantageous in which
- Adjusted operating parameters for the light-emitting semiconductor chips so that preferably again the desired mixed light can be radiated. This can during the life of the optoelectronic device a
- Temperature compensation can be enabled. Compared to known lighting applications in which such an adjustment is performed by additional external photosensors, this can be made possible by the components present in the component, ie the light-absorbing semiconductor chips, in the optoelectronic component described here, wherein the light-absorbing semiconductor chips simultaneously as protective diodes are designed for the light-emitting semiconductor chips. There are no
- the optoelectronic component described here can be realized with a preferably small size. In particular, fewer are compared to known applications
- the first light is emitted in a method for operating the optoelectronic component in a first measuring step
- Optoelectronic device falls, which is not connected to the first light-emitting semiconductor chip.
- the light incident on the absorbing semiconductor chip generates a first photocurrent in the light-absorbing
- the second light-emitting semiconductor chip is operated with a measuring current, whereby light falls on a light-absorbing semiconductor chip, which is not connected to the second light-emitting semiconductor chip.
- the second photocurrent generated by the incident light in the light-absorbing semiconductor chip is also measured. From a difference of the first photocurrent to a first setpoint value, a first operating current for the first light-emitting semiconductor chip is determined. From a difference of the second photocurrent with a corresponding second one
- a second operating current for the second light-emitting semiconductor chip is determined. Subsequently, the first light-emitting semiconductor chip with the first
- Calculation and / or control electronics are stored. It may also be possible for the measuring current of one
- Initial value is increased or decreased continuously or stepwise until a difference between the respective measured photocurrent and the associated setpoint value is minimized and is particularly preferably equal to zero.
- the measuring current at the minimized difference then corresponds to the
- the first setpoint value and / or the second setpoint value are before the actual value
- the setpoint can be the photocurrent in each case
- used light absorbing semiconductor chips correspond to the desired operation or in the
- the measuring current can thus correspond, for example, to the original operating current of the light-emitting semiconductor chips.
- a given measurement current which may differ from the operating current, to the individual measurements and to determine therefrom the setpoints.
- external photosensor can be used, by means of which a desired brightness of the light-emitting semiconductor chips can be adjusted. In the individual measurement steps for determining the photocurrents, only one light emits light
- the determination of the respective photocurrent can in a short time interval, for example, in less than a second and preferably in some ten
- the drive device can operate the first light-emitting semiconductor chip with a measurement current and a first photocurrent of one of the light
- the form compares
- the drive device may have a first and a second Determine the operating current for operation of the light-emitting semiconductor chips.
- the drive device may further include the first and second operating currents for
- Control device analog and / or digital electronic components for example, one or more IC chips, by means of which a determination of the photocurrents, a comparison with a desired value and / or provision of a
- the drive device may take the form of an additional drive
- Control device can also be arranged in or on the carrier, for example in the form of a corresponding placement of a designed as a printed circuit board or housing carrier on which the semiconductor chips are arranged.
- the third light emitting semiconductor chip is arranged on the carrier.
- the third light emitting semiconductor chip may have features as in
- Semiconductor chip may be arranged on the support so that in operation falls light at least on the first or second light-absorbing semiconductor chip.
- the first or second light-absorbing semiconductor chip in a third measuring step in the above-described method for determining a third photocurrent upon application of the third light-emitting semiconductor chip with a
- the third semiconductor chip designed as a protective diode is light
- Determining the first and / or second photocurrent can be used.
- At least one or more further light-emitting semiconductor chips are arranged on the carrier. At least one further light-emitting semiconductor chip can be without protection diode on the carrier
- absorbing semiconductor chip is determined according to one of the described method steps, which is connected to another light-emitting semiconductor chip, for example, by means of the first light absorbing
- At least three or more semiconductor chips emitting light are arranged on the carrier, wherein at least two of the semiconductor chips designed as protective diodes are embodied as semiconductor chips absorbing light.
- the light-absorbing semiconductor chip can be surrounded by the ambient light incident on the optoelectronic component and in particular on the light-absorbing semiconductor chip
- Convert photo stream for example, from a
- Control device is measured.
- the first light-absorbing semiconductor chip is
- Ambient light sensor and designed as a protective diode, which is protected by ambient light acting on the optoelectronic
- the first light-emitting semiconductor chip is put into operation.
- Control device of the minimum photocurrent deposited corresponds to a minimum ambient brightness.
- the drive device can take the at least one or the plurality of light-emitting semiconductor chips on the carrier in operation.
- the optoelectronic component can thus automatically put the at least one or the plurality of light-emitting semiconductor chips into operation in dim light.
- the above-described measuring steps for determining the respective operating current of the light-emitting semiconductor chips can be carried out before the light-emitting semiconductor chips in one
- the method described above for determining the operating currents can be performed so that it can be ensured during the use of the means of transport before the actual operation of the optoelectronic device that the
- a plurality of optoelectronic devices described herein are used in a display device such as a display, such as a full color video wall.
- the individual optoelectronic components can, with regard to their radiated light or the light emitted by the individual light emitting semiconductor chip before each start-up or after each one specific
- all optoelectronic devices can be operated as possible with the desired light characteristics, so that optical irregularities, for example in the form of brightness variations and / or color differences on the display surface of the display can be reduced or even prevented completely.
- Figure 1 is a schematic representation of a
- FIGS. 2A to 2C show schematic illustrations of a method for operating an optoelectronic component according to a further exemplary embodiment
- Figures 3 and 4 are schematic representations of
- Figure 5 is a schematic representation of a
- an optoelectronic device which has a carrier 1, which in the embodiment shown as a housing with a
- the carrier 1 has for this purpose a plastic, which forms the housing. Furthermore, the carrier 1 can have electrical contacts in the form of a lead frame, printed conductors and / or connection surfaces (not shown).
- a first light-emitting semiconductor chip 11 and an anti-parallel thereto connected first light-absorbing semiconductor chip 12 are arranged. Furthermore, a second light-emitting semiconductor chip 21 with a thereto
- Semiconductor chips 12, 22 are designed as protective diodes, in particular as ESD protection diodes, which protect the respective light-emitting semiconductor chips 11, 21 connected to them from voltage peaks, for example ESD pulses.
- the light-absorbing semiconductor chips 12, 22 are designed in the embodiment shown as silicon diodes, which have a forward voltage in the range of 0.6 to 1.2 volts.
- one or both of the light-absorbing semiconductor chips 12, 22 may also be formed as GaAs diodes or other diode having a suitable light-absorbing material fulfilling the required protective function.
- the light-emitting semiconductor chips 11, 21 can as described in the general part in the form of
- Semiconductor layer sequences be executed and, for example, emit light with different colors, so that the optoelectronic component can emit a mixed light depending on the light emitted from the light emitting semiconductor chips 11, 21 light intensity.
- the depression 10 is designed to be reflective in the exemplary embodiment shown, so that the light generated by the light-emitting semiconductor chips 11, 21 during operation can be emitted uniformly by the optoelectronic component.
- the semiconductor chips 11, 12, 21, 22 are arranged on the carrier 1 such that the light of each light-emitting semiconductor chip 11, 21 on at least one of the light
- Semiconductor chip 22 falls during the light of the second light-emitting semiconductor chip 21 on the first light
- optical components such as a casting in the
- a lens or an optical diffuser such as a scattering plate or a scattering potting, be arranged.
- the optoelectronic component further comprises a drive device 2, the purpose
- the drive device 2 is shown in FIG.
- connection is indicated by the arrows 13, 15, 23, 25, 16 and 26.
- the drive device 2 may also be integrated in the carrier 1.
- the first light-emitting semiconductor chip 11 is put into operation in a first measuring step.
- the control device 2 provides a measuring current 13, by means of which the first light-emitting semiconductor chip 11 is operated.
- Light 14 radiated by the first light-emitting semiconductor chip 11, which is part of the total of the first light-emitting semiconductor chip 11 corresponds to emitted light, incident on the second light-absorbing semiconductor chip 22.
- Semiconductor chip 21 is not in operation, so that via the terminals, by means of which the second light-emitting semiconductor chip can actually be operated, a first photocurrent 15 can be measured, which is generated by the light 14 in the second light-absorbing semiconductor chip 22.
- the first photocurrent 15 is a in the
- Control device 2 stored setpoint value, whereby aging defects such as a
- Luminous intensity reduction of the first light-emitting semiconductor chip 11 in the measuring current 13 can be detected. From the difference of the first photocurrent 15 to the corresponding desired value, the drive device 2 can determine a first operating current 16 in the manner described above in the general part.
- the second light-emitting semiconductor chip 21 is operated with a measuring current 23 when the first semiconductor chip 11 emitting light is switched off.
- a part of the light emitted by the second light-emitting semiconductor chip 21, identified by reference numeral 24 in FIG. 2B, is incident on the first light-absorbing semiconductor chip 12, which generates a second photocurrent 25.
- the second photocurrent 25 is measured by the drive device 2. By comparing the second photocurrent 25 with a corresponding desired value stored in the drive device 2, a second operating current 26 can be determined.
- FIG. 3 shows a further exemplary embodiment of an optoelectronic component which, in addition to the first and second light-emitting and light
- the light-emitting semiconductor chips 11, 21 are subjected successively to measuring currents 13, 23 as described in connection with the previous exemplary embodiment, whereby a respective first or second photocurrent from the
- the third light-emitting semiconductor chip 31 is subjected to a measuring current 33, while the first and second light-emitting semiconductor chip 11, 21 are not operated are light emitted from the third light emitting semiconductor chip 31 light 34 to the second light
- Photo current is compared by the drive device 2 with a corresponding desired value, whereby a third operating current for the third light-emitting semiconductor chip 31 can be determined in the manner described above.
- the third designed as a protective diode
- Semiconductor chip 32 does not necessarily have to be light
- Semiconductor chips may be present, their respective
- Operating current can be determined in a corresponding manner as described for the light-emitting semiconductor chips 11, 21, 31. It may also be sufficient, for example, if only the first and second light-absorbing semiconductor chip 12, 22 are light-absorbing, while others, as protective diodes for the other light
- FIG. 4 shows a further exemplary embodiment of an optoelectronic component with a first, a second and a third light-emitting semiconductor chip 11, 21, 31, wherein the third light-emitting element
- Semiconductor chip 31 is connected in anti-parallel with a third light-absorbing semiconductor chip 32, which is designed as a protective diode.
- a third light-absorbing semiconductor chip 32 which is designed as a protective diode.
- FIG. 4 shows the measurement steps carried out one after the other
- the second photocurrent can be used during a subsequent measurement step
- Operation of the second light-emitting semiconductor chip 21 are generated by the third light-absorbing semiconductor chip 32, while the third photocurrent in a further subsequent measuring step in the operation of the third light-emitting semiconductor chip 31 from the first light
- Light-emitting semiconductor chip 11, 21, 31 is associated with exactly one light-absorbing semiconductor chip 12, 22, 32, which is used to determine the respective photocurrent at the measuring current, the light-absorbing
- FIG. 5 shows a further exemplary embodiment of an optoelectronic component which has a first light-emitting semiconductor chip 11 and a first light-absorbing semiconductor chip 12 connected in antiparallel to it on a carrier 1, which, for example, as a housing, has a carrier as in the previous exemplary embodiments
- the first light-absorbing semiconductor chip 12 is as in the previous ones
- Embodiments designed as a protective diode designed as a protective diode.
- the first light-absorbing semiconductor chip 12 is emitted when the first light is not operated
- Semiconductor chip 11 operated as an ambient light sensor. This means that depending on the ambient light 4, which falls on the optoelectronic component and in particular on the first light-absorbing semiconductor chip 12, and
- the first light-absorbing semiconductor chip 12 Based on its brightness, the first light-absorbing semiconductor chip 12 generates a photocurrent 45, which is monitored by the drive device 2. If the brightness of the ambient light 4 falls below a certain level
- Control device 2 deposited minimum photocurrent, the first light-emitting semiconductor chip 11 through the
- semiconductor chip 11 is put into operation, as indicated in Figure 5. Furthermore, the optoelectronic component shown in FIG. 5 can also have further light-emitting and light
- a light-absorbing semiconductor chip 12, 22, 32 of one of the optoelectronic components described in conjunction with FIGS. 1 to 4 can be designed and operated as an ambient light sensor in the manner described in connection with FIG.
- the light-absorbing semiconductor chip embodied as an ambient light sensor can reduce the brightness of the environment of the
- Monitor optoelectronic semiconductor device and take this when falling below a minimum ambient brightness in operation. Furthermore, before the continuous operation of the optoelectronic component, the measuring steps described in connection with FIGS. 2A to 4 can be carried out for determining the operating currents of the light-emitting semiconductor chips.
- Embodiments are particularly suitable for displays such as full-color video walls, in each of which a
- Optoelectronic component for the representation of a
- Pixel can be used.
- optoelectronic components are also particularly preferred for illuminating display device, for example in
- Operating currents can therefore at each power of such a full-color video wall or a motor vehicle or even after each always a certain number of Switching operations are carried out to allow over the entire lifetime of the optoelectronic devices as constant a luminous characteristic.
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Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020137019980A KR101527303B1 (ko) | 2011-03-29 | 2012-03-19 | 광전 소자 및 광전 소자의 동작 방법 |
| JP2014501530A JP5676047B2 (ja) | 2011-03-29 | 2012-03-19 | オプトエレクトロニクス素子及びオプトエレクトロニクス素子の動作方法 |
| US14/007,098 US9293629B2 (en) | 2011-03-29 | 2012-03-19 | Optoelectronic component and method for operating an optoelectronic component |
| CN201280015665.9A CN103430313B (zh) | 2011-03-29 | 2012-03-19 | 光电子器件和用于运行光电子器件的方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011015408.6 | 2011-03-29 | ||
| DE102011015408.6A DE102011015408B4 (de) | 2011-03-29 | 2011-03-29 | Optoelektronisches Bauelement und Verfahren zum Betrieb eines optoelektronischen Bauelements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2012130657A1 true WO2012130657A1 (de) | 2012-10-04 |
| WO2012130657A9 WO2012130657A9 (de) | 2013-10-31 |
Family
ID=45992199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2012/054816 Ceased WO2012130657A1 (de) | 2011-03-29 | 2012-03-19 | Optoelektronisches bauelement und verfahren zum betrieb eines optoelektronischen bauelements |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9293629B2 (de) |
| JP (1) | JP5676047B2 (de) |
| KR (1) | KR101527303B1 (de) |
| CN (1) | CN103430313B (de) |
| DE (1) | DE102011015408B4 (de) |
| TW (1) | TWI481000B (de) |
| WO (1) | WO2012130657A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015108056A1 (de) * | 2015-05-21 | 2016-11-24 | Osram Opto Semiconductors Gmbh | Optoelektronisches Halbleiterbauteil, optoelektronische Anordnung und Verfahren zur Herstellung eines optoelektronischen Halbleiterbauteils |
| US10553733B2 (en) | 2016-11-29 | 2020-02-04 | Taiwan Semiconductor Manufacturing Co., Ltd. | QE approach by double-side, multi absorption structure |
| DE102019125364A1 (de) * | 2019-09-20 | 2021-03-25 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Anordnung und verfahren zum betreiben eines diodenarrays |
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| US20090212316A1 (en) * | 2005-08-30 | 2009-08-27 | Osram Opto Semiconductors Gmbh | Surface-mounted optoelectronic semiconductor component and method for the production thereof |
| DE102008049777A1 (de) * | 2008-05-23 | 2009-11-26 | Osram Opto Semiconductors Gmbh | Optoelektronisches Modul |
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| JPS6269694A (ja) | 1985-09-24 | 1987-03-30 | Rohm Co Ltd | 半導体レ−ザ−装置 |
| JPH04365382A (ja) | 1991-06-13 | 1992-12-17 | Toshiba Corp | 半導体発光装置及びその駆動方法 |
| JP2974469B2 (ja) | 1991-09-17 | 1999-11-10 | 株式会社東芝 | 信号伝送回路 |
| JP3673621B2 (ja) | 1997-07-30 | 2005-07-20 | ローム株式会社 | チップ型発光素子 |
| JP2004186309A (ja) * | 2002-12-02 | 2004-07-02 | Nichia Chem Ind Ltd | 金属パッケージを備えた半導体発光装置 |
| KR100506735B1 (ko) | 2003-06-26 | 2005-08-08 | 삼성전기주식회사 | 다색 발광 다이오드 패키지 |
| EP1763896B1 (de) | 2004-06-30 | 2018-10-03 | OSRAM Opto Semiconductors GmbH | Leuchtdiodenanordnung und optisches aufzeichnungsgerät |
| JP2008235792A (ja) * | 2007-03-23 | 2008-10-02 | Matsushita Electric Ind Co Ltd | 半導体装置とその製造方法 |
| US7736174B2 (en) * | 2007-12-04 | 2010-06-15 | Pass & Seymour, Inc. | Illuminated face receptacle structure |
| CN102097447A (zh) | 2010-11-16 | 2011-06-15 | 复旦大学 | 一种亮度可调的发光器件、阵列及其制造方法 |
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2011
- 2011-03-29 DE DE102011015408.6A patent/DE102011015408B4/de active Active
-
2012
- 2012-03-02 TW TW101106932A patent/TWI481000B/zh not_active IP Right Cessation
- 2012-03-19 KR KR1020137019980A patent/KR101527303B1/ko not_active Expired - Fee Related
- 2012-03-19 CN CN201280015665.9A patent/CN103430313B/zh active Active
- 2012-03-19 US US14/007,098 patent/US9293629B2/en active Active
- 2012-03-19 WO PCT/EP2012/054816 patent/WO2012130657A1/de not_active Ceased
- 2012-03-19 JP JP2014501530A patent/JP5676047B2/ja not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090212316A1 (en) * | 2005-08-30 | 2009-08-27 | Osram Opto Semiconductors Gmbh | Surface-mounted optoelectronic semiconductor component and method for the production thereof |
| DE102008049777A1 (de) * | 2008-05-23 | 2009-11-26 | Osram Opto Semiconductors Gmbh | Optoelektronisches Modul |
Non-Patent Citations (1)
| Title |
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| SHIH-CHANG SHEI ET AL: "Improved Reliability and ESD Characteristics of Flip-Chip GaN-Based LEDs With Internal Inverse-Parallel Protection Diodes", IEEE ELECTRON DEVICE LETTERS, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 28, no. 5, 1 May 2007 (2007-05-01), pages 346 - 349, XP011179469, ISSN: 0741-3106, DOI: 10.1109/LED.2007.895428 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014509790A (ja) | 2014-04-21 |
| DE102011015408A1 (de) | 2012-10-04 |
| TW201246505A (en) | 2012-11-16 |
| WO2012130657A9 (de) | 2013-10-31 |
| US20140048680A1 (en) | 2014-02-20 |
| JP5676047B2 (ja) | 2015-02-25 |
| US9293629B2 (en) | 2016-03-22 |
| CN103430313B (zh) | 2016-08-17 |
| DE102011015408B4 (de) | 2022-10-06 |
| KR20130119464A (ko) | 2013-10-31 |
| CN103430313A (zh) | 2013-12-04 |
| KR101527303B1 (ko) | 2015-06-09 |
| TWI481000B (zh) | 2015-04-11 |
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