JP3144929U - LED tube uniform light illumination structure - Google Patents

Abstract

An LED lamp tube uniform light illumination structure having a uniform and uniform illumination effect is provided.
A tubular body, a circuit board 20 accommodated and installed in the tubular body and having an irradiation surface and a heat sink surface, and a plurality of LEDs laid on the irradiation surface of the circuit board and electrically connected to the circuit board It is composed of a lamp 30 and a light diffusing plate 40 installed in an accommodation surface formed by the irradiation surface of the circuit board and the tubular body, and the light emitted from a plurality of LED lamps is irradiated through the light diffusing plate. Disperse and uniformly irradiate an object, and avoid discomfort caused when glare and LED lamp tube are directly viewed.
[Selection] Figure 3

Description

  The present invention relates to an LED lamp tube, and more particularly to an LED lamp tube having a light diffusion plate.

  Light emitting diodes (LEDs) have the advantages of low energy consumption, power saving, long service life, small volume, quick response, etc. Applied in the equipment.

The structure in which the LED is applied to a general lamp tube is as shown in FIG. 1. A circuit board 20a is attached in the light-transmitting tube body 10a, and a plurality of LED lamps 30a are laid on the circuit board 20a. Metal conductor connection sleeves 40a are provided on both ends of the light tube body 10a, conductive terminals 401a are provided on the conductor connection sleeves 40a, and the LED lamp tube is inserted into the electric lamp socket via the conductive terminals 401a on both sides to supply power. And the LED lamp 30a emits light. However, the LED lamp light source is composed of a plurality of LED lamps 30a, and the LED lamp 30a is emitted from the transparent tube 10a by the point light source, and the light rays are non-uniformly distributed and radiated on the object. Non-uniform state is easily formed. Further, when the user looks directly at the LED lamp tube, it has a glare state and gives an unpleasant feeling to the eyes.
JP 2002-304903 A

  An object of the present invention is to provide an LED lamp tube uniform light illumination structure that uniformly irradiates and irradiates light rays on an irradiated object.

  Another object of the present invention is to provide an LED lamp tube uniform light illumination structure that avoids the occurrence of glare conditions.

  In order to achieve the above object, an LED lamp tube uniform light illumination structure provided by the present invention includes a tube body, a circuit board housed and installed in the tube body, an irradiation surface and a heat sink surface, and the circuit board. A plurality of LED lamps laid on the irradiation surface and electrically connected to the circuit board; and a light diffusing plate installed in an accommodation space formed by the irradiation surface of the circuit board and the tubular body, thereby a plurality of LEDs The light emitted by the lamp can be uniformly distributed and irradiated on the irradiated object via the light diffusing plate, and the unpleasant feeling caused when glare and the LED lamp tube are directly viewed can be avoided.

  The LED lamp uniform light illumination structure provided by the present invention uniformly irradiates light emitted from a plurality of LED lamps on an irradiated object via a light diffusion plate, and directly looks at glare and the LED lamp tube. Discomfort that sometimes occurs can be avoided.

  The detailed technical contents of the present invention will be described below with reference to the drawings. However, the drawings are provided for reference and explanation, and do not limit the present invention.

  2 and 3, the LED lamp tube uniform light illumination structure provided by the present invention includes a tube body 10 made of a light-transmitting plastic, and is accommodated and installed in the tube body 10, and an irradiation surface 21. A circuit board 20 having a heat sink surface 22, a plurality of LED lamps 30 laid and arranged on the irradiation surface 21 of the circuit board 20 at intervals, and electrically connected to the circuit board 20, and irradiation of the circuit board 20 The light diffusing plate 40 is installed in the accommodation space formed by the surface 21 and the tubular body 10. One method of forming the light diffusing plate 40 is to apply minute diffusing particles on a highly translucent film piece. Then, the light beam is transmitted through the diffusing particles to generate a light diffusion effect, and the point light source of the LED lamp 30 is converted into a surface light source, thereby achieving a uniform light illumination effect. The light diffusing plate 40 in this embodiment is an elastic body and has a flat plate shape.

  Both ends of the tube body 10 have a sealed or open structure, and when the tube body 10 has an open structure, latches 12 are provided at two ends of the tube body 10, and a conductor connection sleeve 50 is slidably mounted, Latch grooves 52 that are mutually coupled to the latch 12 are provided correspondingly on the side surfaces of the connection sleeve 50. The two conductor connection sleeves 50 are electrically connected to the circuit board 20, and conductive terminals 51 are projected on the end surfaces of the conductor connection sleeves 50. The conductive terminals 51 are inserted into a light socket, and the LED lamp tube 50 supplies the necessary electric power, and the tube 10 opens a plurality of heat sink holes 11 on both end surfaces of the circuit board 20 covering the heat sink surface 22.

  4 and 5 are combined sectional explanatory views of the LED lamp tube uniform light illumination structure of the present invention. After the light diffusing plate 40 is elastically curved and arcuate, the light diffusing plate 40 is placed and arranged in the tubular body 10 and then locked to the wall surface in the tubular body 10 by the elastic force of the light diffusing plate 40 itself. A groove 13 is provided in the wall surface of the tube body 10, the light diffusing plate 40 is fitted to the inner wall of the tube body 10, the circuit board 20 is accommodated in the tube body 10, and a circuit is formed on the irradiation surface 21 of the circuit board 20. A plurality of LED lamps 30 that are electrically connected to the plate 20 are arranged at intervals, and the circuit board 20 has an irradiation surface 21 covering the diffusion plate 40, that is, the light diffusion plate 40 is a circuit. It is installed in a housing space formed by the irradiation surface 21 of the plate 20 and the tube body 10, and finally, the latches 12 at both ends of the tube body 10 are respectively installed in the latch grooves 52 of the conductor connection sleeve 50, and the conductor connection sleeve 50 is slidably attached to the end of the tube body 10, and necessary power is supplied to the LED lamp tube by the conductive terminal 51 protruding from the end face of the conductor connection sleeve 50.

  FIG. 6 is a diagram illustrating the use of the LED lamp tube uniform light illumination structure of the present invention. The LED lamp tube of the present invention is mounted in an electric socket 80 on the upper plate, an insertion socket 81 is provided in the lamp socket 80, and the conductive terminals 51 of the conductor joining sleeves 50 at both ends of the tube 10 are respectively in the insertion socket 81. The LED lamp 30 on the irradiation surface 21 of the circuit board 20 emits light by turning on the power supply, and the light emitted from the LED lamp 30 is uniformly distributed on the irradiated object via the light diffusion plate 40 below. When the user's eyes look directly at the LED lamp tube, discomfort caused by eye irritation and glare can be avoided. Further, since the conductor joining sleeves 50 at both ends of the tube body 10 are slidably provided, if the conductor joining sleeve 50 is removed from the end of the tube body 10, the user himself can take out the light diffusing plate 40 and use it. The above convenience and practicality can be improved.

  FIG. 7 shows a second embodiment of the LED lamp tube uniform light illumination structure of the present invention. The present embodiment and the first embodiment are almost the same, and the light diffuser plate 40 has a semi-cylindrical shape, and the light diffuser plate 40 is an irradiation surface 21 of the tube body 10 and the circuit board 20. It is affixed to the inner wall of the tubular body 10 surrounded by. Therefore, in the present invention, the light diffusing plate 40 is installed in the tube body 10 of the LED lamp tube, and the light emitted from the LED lamp 30 laid on the circuit board 20 is transmitted through the lower light diffusing plate 40 to the irradiated object. It is possible to uniformly irradiate the light on the top, and light rays that have passed through the light diffusion plate 40 are softened, and glare can be avoided.

In the present invention, preferred embodiments have been disclosed as described above, but these are not intended to limit the present invention in any way, and anyone who is familiar with the technology has an equivalent scope that does not depart from the spirit and scope of the present invention. Of course, various fluctuations and hydration colors can be added.

It is a conventional LED lamp tube. It is a three-dimensional combination explanatory drawing of this invention. It is a three-dimensional external view of the present invention. It is combination sectional explanatory drawing of this invention. It is combination sectional explanatory drawing of the other side of this invention. It is use explanatory drawing of this invention. It is combination cross-section explanatory drawing of 2nd Example of this invention.

Explanation of symbols

10a Translucent tube 20a Circuit board 30a LED lamp 40a Conductor joint sleeve 401a Conductive terminal 10 Tube 11 Heat sink hole 12 Latch 20 Circuit board 21 Irradiation surface 22 Heat sink surface 30 LED lamp 40 Light diffusion plate 50 Conductor joint sleeve 51 Conductive terminal 52 Latch groove 80 Electric light socket 81 Insertion socket

Claims (7)

A tube made of a translucent material;
A circuit board that is housed and installed inside the tube, and both surfaces constitute an irradiation surface and a heat sink surface, respectively.
A plurality of LED lamps laid on the irradiation surface of the circuit board and electrically connected to the circuit board;
An LED lamp tube comprising a uniform light illumination structure comprising a light diffusing plate disposed opposite to the irradiation surface in a housing space formed between the irradiation surface of the circuit board and the tube. 2. The LED lamp tube having a uniform light illumination structure according to claim 1, wherein the tube body is made of a light-transmitting plastic. The LED lamp tube having a uniform light illumination structure according to claim 1, wherein the tube body has a plurality of heat sink holes respectively formed on both end surfaces covering the heat sink surface of the circuit board. The LED having a uniform light illumination structure according to claim 1, further comprising: a conductor connection sleeve in which two ends of the tube body are further slidably provided, and the two conductor joint sleeves are electrically connected to the circuit board. Lamp tube. The LED lamp tube having a uniform light illumination structure according to claim 1, wherein the LED lamps are arranged at intervals and installed on an irradiation surface of the circuit board. The LED lamp tube having the uniform light illumination structure according to claim 1, wherein the light diffusion plate has a flat plate shape. The LED lamp tube having the uniform light illumination structure according to claim 1, wherein the light diffusion plate has a semicylindrical shape.

Images