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Illumination member sealed with silicone rubber and manufacturing method for same

A technology of silicone rubber and silicone rubber composition, which can solve the problems of design cost restriction and other problems while being effective in vibration, and achieve the effects of preventing internal loss, excellent weather resistance and excellent flexibility

Inactive Publication Date: 2015-04-22
SHIN ETSU CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of silicone rubber, materials that have properties such as heat dissipation and conductivity have been used for general use, but there have been problems in terms of design and cost in order to provide performance.

Method used

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  • Illumination member sealed with silicone rubber and manufacturing method for same
  • Illumination member sealed with silicone rubber and manufacturing method for same
  • Illumination member sealed with silicone rubber and manufacturing method for same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0101] As silicone rubber composition I capable of forming silicone rubber A having transparency, 100 parts by mass of (a-1) above, 15 parts by mass of (c-1), and (f -1) 4.5 parts by mass and 1 part by mass of ion-exchanged water were mixed and kneaded using a kneader while heating at 170° C. for 2 hours to make them uniform, and an unvulcanized silicone rubber compound A was prepared.

[0102] 100 parts by mass of unvulcanized silicone rubber compound A, 0.2 parts by mass of vinyl siloxane complex of chloroplatinic acid (b-1), and 0.7 parts by mass of curing agent (b-2) were prepared as (b-1 ) of 0.2 parts by mass of ethynylcyclohexanol as a control agent was kneaded using twin rolls to obtain a silicone composition A.

[0103]As the silicone rubber composition II capable of forming silicone rubber B, 350 parts by mass of alumina powder (manufactured by Showa Denko Co., Ltd., Almina AL-24) was added to the above-mentioned silicone composition A (the above-mentioned compoundin...

Embodiment 2

[0108] As silicone rubber composition I for forming silicone rubber A, 3 parts by mass of titanium oxide (color tone adjusting agent) with an average particle diameter of 3 μm was added to 100 parts by mass of silicone composition A of Example 1 to form a silicone composition b.

[0109] As the silicone rubber composition II for silicone rubber B, the BET specific surface area was set to 69 m 2 10 parts by mass of acetylene black powder per g was kneaded and blended in the same manner with twin rolls to obtain silicone composition B-2.

[0110] Except for this, a sheet and a molded product were obtained in the same manner as in Example 1. The obtained product was evaluated as follows. In addition, the electrical resistivity was evaluated as an electrostatic property of the rubber alone on the side opposite to the light-emitting surface.

Embodiment 3

[0112] As silicone rubber composition I for silicone rubber A, 100 parts by mass of the above-mentioned (a-2), 10 parts by mass of (c-1), and 4.5 parts by mass of (f-1) as a surface treatment agent of (c-1) 1 part by mass of ion-exchanged water and 1 part by mass of ion-exchanged water were mixed and kneaded while heating at 170° C. for 2 hours using a kneader to make it homogeneous, and unvulcanized silicone rubber compound B was prepared.

[0113] A silicone composition C was obtained in the same manner as in Example 1, except that the unvulcanized silicone compound B was used instead of the unvulcanized silicone compound A.

[0114] As silicone rubber composition II for silicone rubber B, 330 parts by mass of alumina powder (manufactured by Showa Denko Co., Ltd., Almina AL-24) with a BET specific surface area of 69m 2 10 parts by mass of acetylene black powder per g was kneaded and blended in the same manner using twin rolls to obtain silicone composition C-2.

[0115] Ex...

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Abstract

Disclosed is an illumination member wherein a core having a wiring element provided with a light emitting element is sealed with silicone rubber, and which is characterised in that a transparent silicone rubber (A) enclosure is formed on the light emitting surface side of the core, and a silicone rubber (B) enclosure having different physical properties to the other silicone rubber (A) is formed on the reverse side of the light emitting surface. The illumination member is protected from environmental factors, does not cause internal electrical damage, has minimal variation in light transmittance due to yellowing, and has excellent low temperature properties. As heat radiation, electrostatic, and vibration prevention properties can be added from the reverse side of the light emitting surface, internal loss is prevented, and the member can be used over a long period.

Description

technical field [0001] The present invention relates to a lighting component, which is a lighting component in which a core material is sealed with silicone rubber. The core material has a wiring body provided with a luminous body, especially a cable-shaped LED luminous body. A transparent silicone rubber A enclosure is formed on one side, and a silicone rubber B enclosure having different physical properties other than the silicone rubber A is formed on the surface opposite to the light emitting surface. The present invention is characterized in that, in particular, on the opposite side of the illuminant, thermally conductive silicone rubber used to dissipate heat when the LED emits light in order to protect the core material, conductive silicone rubber to prevent static electricity, or used to suppress heat from the outside Silicone rubber with anti-vibration performance is effective against heat radiation, static electricity, and vibration, and has excellent weather resista...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21S2/00C08J5/00C08L83/04F21V31/00F21Y101/02
CPCC08G77/12F21S4/005C08L83/04H01L33/56C08G77/20F21Y2103/003F21Y2101/02F21S4/22F21Y2103/10F21Y2115/10C08L83/00
Inventor 畔地秀一大泽康久山口久治茂木正弘
Owner SHIN ETSU CHEM IND CO LTD
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