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White light-emitting diode

A light-emitting diode and white light technology, applied in electrical components, electric solid-state devices, circuits, etc., can solve problems such as poor luminous efficiency, and achieve the best luminous efficiency, best luminous efficiency and lifespan, and best lifespan effects

Inactive Publication Date: 2010-03-24
ANTEYA TECH CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The main purpose of the present invention is to provide a white light diode, hoping to improve the shortcomings of the previous existing white light diodes with poor luminous performance

Method used

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Embodiment Construction

[0054] Such as Figure 1 to Figure 2 As shown, it discloses two kinds of specific and feasible preferred embodiments of the white light emitting diode of the present invention. As can be seen from the figure, the white light emitting diode mainly includes a base (10), a chip group (20), a transparent A light guide layer (113) and a phosphor lens (30), wherein:

[0055] The pedestal (10) comprises a pedestal crystal cup (11) positioned at the top of the pedestal (10), and two pins (12) insulated in the pedestal (10) and extending to the outside of the pedestal (10), the The base crystal cup (11) has a reflective bottom surface (111) and a lateral reflective surface (112) surrounding the reflective bottom surface (111), and the depth of the base crystal cup (11) is greater than 500 μm.

[0056] The chipset (20) is adhesively fixed on the reflective bottom surface (111) in the base crystal cup (11) of the base (10). In this preferred embodiment, the chip (21) is adhesively fixed...

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Abstract

The invention provides a white light-emitting diode (WLED), comprising a base, a base crystal cup, a chipset, a transparent light-guiding layer and a fluorophor lens, wherein, the chipset is adhered to the reflecting bottom surface of the base crystal cup at the top of the base and electrically connected with the pins of the base via leads; the transparent light-guiding layer is fixedly arranged in the base crystal cup; the fluorophor lens is fixedly arranged at the upper part of the transparent light-guiding layer; and based on the design that the thickness of the transparent light-guiding layer of the base is higher than 500 mu m and the area ratio between the effective reflection area of the base crystal cup and the light-emitting surface area of the chipset is higher than 10, the reverse fluorescent light naturally radiated by fluorophor particles absorbing the exciting light emitted by the chipset is projected onto the effective reflecting area and further reflected into forward fluorescent light, so as to avoid the loss caused by the absorption of the chip to the reverse fluorescent light projected onto the chipset. Accordingly, the light extraction efficiency of the WLED canbe improved.

Description

Technical field [0001] The invention relates to a light-emitting diode, in particular to the packaging structure design of a white light-emitting diode that can improve light extraction efficiency. Background technique [0002] The structure of early white light emitting diodes is mainly to stick a chipset on the bottom surface of the base crystal cup of a base, and the chips in the chipset are electrically connected to the pins in the base through wires, The crystal cup is filled with phosphors to directly cover the chip set, and the chips of the chipset are used to emit specific color light and cooperate with the principle of complementary colors of the phosphors to produce white light. [0003] Although the aforementioned white light emitting diode can provide a light emitting diode component that can generate white light, however, the light emission principle of the fluorescent body is actually spontaneous emission, which means that the emitted fluorescent light will hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L33/00H01L25/00H01L25/075
CPCH01L2224/32245H01L2224/32257H01L2224/48091H01L2224/73265
Inventor 苏晋锋吴定丰李伟成陈建安
Owner ANTEYA TECH CORP
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