TW490861B - Light-emitting device with multiple light sources - Google Patents

Abstract

The light-emitting device of the present invention comprises the first light source to provide the initial light, a mold member covers said first light source, the mold member comprises a transparent composite resin which comprises the fluorescent material mixed with organic material and inorganic material coated on the mold member. The initial light emitted from the first light source is used for generating the light different from that of the first light source as the second light source. The light-emitting device can emit light different from that of the first light source by mixing the color of the first light source and the second light source.

Description

Yuyuoo 丄 5. Description of the invention (1) Field of the invention: The present invention relates to a light-emitting device ^^, especially to a light-emitting device using multiple light sources to emit light, and the surname ^ is ancient; "especially the light-emitting device of the present invention The device contains a synthetic phosphorescent material that is a mixture of organic and inorganic materials. Background of the invention:

A light emitting diode (LED) is a kind of light-emitting optoelectronic element. 'General light-emitting diode systems are injected into a small number of carriers via p-N junctions' to form a junction with the majority of carriers to emit natural light diodes. body. P. The excitation of the tenode luminescent diode is based on the mechanism of carrier injection. In order for the phosgene to emit light well, many electron-hole pairs must be directly recombined. After the light-emitting diode is forward biased, the space charge layer changes based on the difference in Fermi levels on both sides, so the main carriers on both sides of the PN are injected into the y-side and P-side, respectively. Due to the large increase of a small number of carriers on both sides, hole-electron pair recombination of the large and medium stars on both sides is performed, so a sufficient number of photons are emitted. FIG. 1 shows a light emitting device 100 of the prior art. The composition includes a concave towel from Deng 1 for carrying a light emitting element 3, and a mold member 5 covering the light emitting element 3 described above. Pin 7 is connected to the bottom side of the female cap 1 for connection to a bias power source. The light emitting diode plays the role of a light emitting element ^.

The light-emitting diode is light in weight, small in size, and has excellent light-emitting efficiency. Therefore, its matrix arrangement can be used for symbol subtitle display and lighting, and the light-emitting diode can also be used as a light source for optical fiber communication. Missing 7G pieces. Moreover, the light-emitting diode has a long life and no lamp.

Page 5 490861 V. Description of the invention (2) Concerns about burnout, so it is widely used in the market. For example, United States Patent 6,033,087, the inventor Shozo et al. Disclosed a lighting device using a light emitting diode as a light source, and the invention name is 丨 丨 LED illuminating device for providing a uniform light spo tπ o Current light emitting diode The types of the body roughly include GaAs, GaAsl-xPx, GaP and other series. In addition, doping nitrogen atoms in GaAsl-xPx and GaP series will also change the color of their light emission. In general, light-emitting diodes have the characteristic of monochromatic wavelengths. As for the length of the light-emitting wavelength, it depends on the energy change during the electron transfer process that can emit light. The currently available wavelengths include infrared, red, green, page, and monitor. . If light emitting diode light sources of three different wavelengths of R, G, and B are arranged adjacently, emission light of other colors can be obtained based on color mixing. For example, 'United States Patent 5, 995, 0 7 0', the inventor K itada, disclosed the use of adjacent light sources as a display device. Its invention name is "LED display apparatus and LED displaying method". Exposing each "point" is made up of a red light source, a blue light source, and two green light sources. White light generated by mixing light sources with different wavelengths of R, G, and B will face the problem of dispersion of hue and brightness and cannot produce the required In addition, the light source is composed of different materials, and it is necessary to set individual driving potentials for different light emitting elements, so the design is more complicated. 490861 V. Description of the invention (3) The light source light emitting device is used to generate different light sources. Therefore, there is an urgent need for a light wave with multiple luminous source wavelengths. Purpose and Summary of the Invention The purpose of the present invention is to provide a light source that uses a phosphor to absorb the light source of the light emitting element as a second light source. The first light source is coated with grease. The second light source is coated on the light source including organic material and inorganic material. The initial light wave emitted is the light wave different from the first light source and the first light source. Provided above. The light emitting diode is preferably a nitrogen light source based on a light emitting device wave of another embodiment of the nitride semiconductor. The above-mentioned first light source is a light-emitting device which is preferably a nitride semiconductor, in which a mold member provided by a light-emitting layer of a semiconductor contains an organic material, and is a multiple-light source radiated by the first light source. The initial light wave generated is different from the first light source to provide the initial light wave. The mold member includes a translucent synthetic tree light source. The composition of the second light source is a mixed fluorescent material. Different from the light wave of the first light source, the first light source radiated by the light emitting device by the color mixing of the source is a semiconductor formed by a light emitting diode, wherein the first light emitting layer is provided. The first light source is included to provide the initial light source. Provided by light-emitting diode. The above-mentioned first light source of the light-emitting diode is a fluorescent substance that covers the first light source by the nitride member and the above-mentioned organic materials are mixed, Its special light wave excites the above-mentioned fluorescent substance to produce five-year-old invention. (4) Different green light waves that are different from the first and second materials are used as the second light source. Another embodiment is the light-emitting twisted branch and the inorganic pine. A first light source is included, which includes the first light% of the right and right cover; the first fluorescent substance mixed by the bucket is coated with the first Λ of Sihe, and wherein the above-mentioned mold member contains an organic I member 'light wave laser substance. It is characterized by using the first material, the inorganic material, the first fluorescent substance and the light wave emitted by a light source as the second light source and the fluorescent material as the second light source and the fluorescent substance, which are used to generate a detailed description of the invention: The invention discloses a method of using a light emitting element and a phosphor to absorb and generate by a light emitting element: 7 starting light source, using the light of the wavelength of the starting light source as the second light source, again! The two-two-two generation is different from the initial U ^ Α. By mixing the above-mentioned soy oiler, a generates a light wave. Embodiments of the present invention will be illustrated with the following description. Referring to FIG. 2, the light-emitting device 2000 shown in the figure includes a main bearing base or a concave cap 2, and the supporting base includes pins 4 underneath to facilitate the supply of necessary bias voltage. The light-emitting element 6 is located on the load-bearing base or / and the concave cap 2 described above, and is coupled to the N and P poles of the light-emitting element 6 that escapes by a wire. For one embodiment, the light-emitting element 6 described above may be a light-emitting diode, which is used to provide a light source with an initial (first) wavelength. Specifically, in a preferred embodiment, the light-emitting diode comprises a nitride semiconductor, and the light source of the first wavelength is generated through the light-emitting layer of the element.

490861 V. Description of the invention (5) A mold member 8 is arranged on the above-mentioned concave element 6, and in a preferred embodiment, it covers the above-mentioned light-transmitting synthetic resin material. Synthesize ', and include but are not limited to element 6 to avoid external forces, two. Ai Chengzhi = dry 8; but can be used to protect the light emitting mold member to form a lens of concentrated light source. Epoxy clay with better light transmittance can be used in combination and can be used: In the embodiment, it can be used, and then it is hardened by heating. The translucent epoxy resin described above is injected into the resin. The urea resin can also be used as the above. «The light-emitting device 200 of the present invention contains a light-forming resin, which can be injected and mixed by mixing with a light-transmitting resin. For example, the fluorescent material and the epoxy material 10 are coated and surrounded by the above two light emission. In terms of the fluorescent materials of the present invention, they may be coated on the translucent synthetic tree 2 6 as shown in Figure 1. As shown. In addition, Lao Guang material between the synthetic resin members 8 is required. The composition coated on the light-emitting element 6 and the light-transmitting fluorescent material 10 includes «material fluorescent substance. Fluorescent material 丨 02 mixed with inorganic material Garnet phosphor, fluorescent material 102 = substance includes but is not limited to this, based on the organic substance emitted by the light-emitting element 6 includes a polymer. Due to the generation of a different wave from the light-emitting diode, the coated fluorescent material 10 is emitted, and the fluorescent light and the light-emitting diode 6 are mixed. The light generated by the fluorescent material 10 is mixed, and finally the light-emitting device

$ 9 pages 490861 V. Description of the invention (6) ^ ~ ------- Set 1 0 0 as a new light source and emit light with a wavelength different from that of the light emitting diode ^. As you know this technique, the stone right phosphor series can be selected from Sc = [Sc, [a, Gd, Sm], and the light emitting diode can be composed of nitrides of Ga and In. = The light emitted by the light-emitting element 6 has a monochromatic peak, but there is a certain width: a wide, fluorescent material 10 absorbs the -wavelength J of the light-emitting diode, emits a second wavelength, and finally can communicate with the first wavelength Mixed into the third wavelength of 52: = Select the composition material of the light emitting diode 6, the first light material, so that the nitrogen; the wavelength range generated by the Erfa device 100. In this example, the light emitted by the # 2 light-emitting polar body and the fluorescent material 10: the color of the light emitting mechanism is used to make the light-emitting device emit white. Another type of light-emitting system is provided by the first. The fluorescence of the light source is as described above. Fluorescence. The embodiment is used to provide-a light source coating material mixture light wave excitation two light source inorganic material and the above-mentioned embodiment of the embodiment of the light emitting device includes: 妗 氺, 、. The first light source 6 of the μ, +, Buyu source b, and i pole ^^ is provided by a light-emitting diode: and the body is preferably a nitride semiconductor nitride semiconductor smoke # provided by the above-mentioned first light-emitting layer . In addition, the above-mentioned photomicrographer > mold member 8, material 10, and μ, the component has an organic material, and the material is derived from substance 10, which is characterized by the thermal material f The material emitted by source 1 is composed of light source 10. The light wave of the source is used as the component 8 and the synthetic resin that contains organic and. ^ ^ Translucent materials is also used. Doucant 4 is similar. / 、 I composition

Fifth invention test August (7) Example of the ancient female f ~~ approximate lighting device package. Sheng-, 丨 ... There are organic materials, inorganic materials and 3 light sources, including components, covering the first light J and a Fluorescent substances are painted on it. Modulus: A mixture of inorganic materials ^ The structure of the mold containing an organic material f is excited by light waves: d: It is characterized by the use of the first shell to generate a light substance different from the first light source and the second The important group of fluorescent materials in this embodiment is used as the second light source. Similarly,… ,. The structure is similar to the above embodiment. Based on the application of the present invention, it is possible to make fluorescent scales, B, and phosphor diodes composed of organic and organic matter, and no light. The present invention obtains radiation of other wavelengths with better == ', and is familiar with the arts and crafts in this field without departing from the present invention'. The scope of patent protection = shall depend on the field of modification. Scope of attached patent application and its equivalent

Page 11 490861 Brief description of the drawings Illustrative illustration: The preferred embodiment of the present invention will be described in more detail in the following explanatory text with the following figures: Figure 1 shows a schematic diagram of the prior art light-emitting device. FIG. 2 is a schematic diagram of a first embodiment of the present invention, in which a fluorescent material is coated on a light-emitting element. Fig. 3 is a schematic diagram showing a second embodiment of the present invention, in which a fluorescent material is coated on the inside of a light-transmitting synthetic resin member. Fig. 4 is a schematic diagram showing a third embodiment of the present invention, in which a fluorescent material is applied between a light-emitting element and a light-transmitting synthetic resin member. Recessed cap part 1 Moulded part 5 Recessed cap part 2 Light-emitting element 6 Fluorescent material 1 0 Component symbol comparison table Light-emitting device 100 Light-emitting element 3 Pin 7 Light-emitting device 2 0 0 Pin 4 Mold member 8

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Claims (1)

490861 6. Scope of patent application Patent scope: 1. A light-emitting device comprising: a first light source for providing an initial light wave; a mold member covering the first light source; and a second light source coated on the mold member The composition of the second light source includes a fluorescent substance mixed with an organic material and an inorganic material, and absorbs the initial light wave emitted by the first light source to generate a light wave different from the first light source. The color mixing of the two light sources causes the light emitting device to emit light waves different from the first light source. 2. The light-emitting device according to item 1 of the patent application, wherein the first light source is provided by a light-emitting diode. 3. The light-emitting device according to item 2 of the application, wherein the above-mentioned light-emitting diode comprises a light-emitting diode of a nitride, and wherein the above-mentioned first light source is provided by a light-emitting layer of a nitride semiconductor. 4. The light-emitting device according to item 1 of the patent application range, wherein the inorganic material of the above-mentioned fluorescent substance includes a garnet phosphor. 5. The light-emitting device according to item 1 of the patent application range, wherein the organic material of the above-mentioned fluorescent substance includes a polymer. 6. The light-emitting device according to the scope of patent application, wherein the above-mentioned fluorescent substance Page 13 490861 VI. Patent application scope The material is coated on the first light source. 7. The light-emitting device according to item 1 of the scope of patent application, wherein the above-mentioned fluorescent substance is coated on the inside of the mold member. 8. The light-emitting device according to item 1 of the application, wherein the above-mentioned fluorescent substance is coated between the first light source and the mold member. 9. A light-emitting device comprising: a first light source for providing an initial light wave; # a mold member covering the first light source and wherein the above-mentioned mold member contains a glorious substance mixed with an organic material and an inorganic material, wherein The light wave emitted by the first light source excites the fluorescent substance to generate a light wave different from the first light source as the second light source. * 10. If the light-emitting device according to item 9 of the patent application scope, wherein the above-mentioned first light source is provided by a light-emitting diode. 11. The light-emitting device according to claim 10, wherein the light-emitting diode includes a nitride semiconductor, and the first light source is provided by a light-emitting layer of the nitride semiconductor. 1 2. The light-emitting device according to item 9 of the scope of patent application, wherein the inorganic material of the above-mentioned fluorescent substance includes a garnet phosphor. Page 14 丄 VI. Scope of Patent Application Γ Like the light-emitting device of 申 patent application 帛 专利 9, the organic material of the dragon contains polymers. Among them, the above-mentioned fluorescent substance 14. A light-emitting device, comprising: a first light source including an organic substance; and a first fluorescent mold member ′ mixed with an organic material, covering the first light source and the material? The material of the second fluorescent material is mixed with organic materials. The structure of the branch is made of organic material. False: Xiao first "light emitted by the source and the second fluorescent material 1 to generate the light source of the first fluorescent material. The light source generated in the first source is the light emitting device of the second patent scope, wherein the first source is provided by a light emitting diode. The light-emitting device of the scope of patent No.15, wherein the above-mentioned light-emitting: nitride semiconductor, wherein the above-mentioned first light source is provided by the light-emitting layer of the nitride semiconductor. 1, 7 · The light-emitting device according to item 4 of the patent application range, wherein the inorganic material of the first light substance includes a garnet phosphor. Fluorescent Φ 9 1 8 · If the light-emitting device according to item 14 of the patent application scope, wherein the above-mentioned Page 15 490861 VI. Scope of patent application Organic materials of light substances include polymers. 19. The light-emitting device according to item 14 of the application, wherein the inorganic material of the second fluorescent substance comprises a garnet phosphor. 20. The light-emitting device according to item 14 of the application, wherein the organic material of the second fluorescent substance comprises a polymer. 1BII Page 16