Title:
LED BULB
Document Type and Number:
Japanese Patent JP2022161799
Kind Code:
A
Abstract:
To provide an LED bulb which can be easily replaced with a conventional bulb, and is adaptable to a variety of forms by the LED bulb singly.SOLUTION: An LED bulb 10 comprises a power supply plug part 13, a body 12, an LED element accommodated in the body 12, and a lens unit 14. The lens unit 14 comprises: a first lens part 27D having a first incident face into which emission light within a prescribed angle range at a high-emission angle side out of light which is emitted from an LED element is incident, a reflection face for reflecting light which is incident from the first incident face, and a first emission face for annularly emitting light which is reflected at the reflection face; a second lens part having a second incident face into which emission light within a prescribed angle range at a low-emission angle side out of light which is emitted from the LED element is incident, and a second emission face for emitting light which is incident from the second incident face; and a third lens part 26 having a third incident face into which light emitted from the first emission face and the second emission face is incident, and a third emission face which is emitted in a state that light incident to the third incident face is light-focused.SELECTED DRAWING: Figure 2
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Inventors:
TERUMICHI GORO
SHIMADA JUNICHI
SHIMADA JUNICHI
Application Number:
JP2021158526A
Publication Date:
October 21, 2022
Filing Date:
September 28, 2021
Export Citation:
Assignee:
MODULEX INC
NANOTECO CORP
NANOTECO CORP
International Classes:
F21K9/237; F21K9/233; F21K9/65; F21K9/69; F21V3/00; F21V3/02; F21V3/04; F21V5/00; F21V5/02; F21V5/04; F21V9/08; F21V13/02; F21V13/12; F21V14/00; F21V17/00
Attorney, Agent or Firm:
Atsushi Kojima
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