A cold light sheet with a controllable pattern, its manufacturing method, and light emitting device

Abstract

The invention provides a cold light sheet with a controllable pattern, a manufacturing method thereof, and a light emitting device, and relates to the field of optical technology. The cold light sheet with a controllable pattern provided by the present invention includes a light-transmitting conductive layer; a light-emitting layer, the light-emitting layer is located on the light-transmitting conductive layer; a first dielectric layer, the first dielectric layer is located on the light-emitting layer. layer away from the side of the light-transmitting conductive layer; the second dielectric layer, the second dielectric layer is located on the side of the first dielectric layer away from the light-emitting layer; liquid metal circuit, the liquid metal The circuit is located on the side of the second dielectric layer away from the first dielectric layer, and the liquid metal circuit is formed by drawing liquid metal with a melting point lower than 300°C; the power supply, the first electrode of the power supply and the The light-transmitting conductive layer is connected, and the second electrode is connected to the liquid metal circuit. The technical scheme of the invention can flexibly adjust the pattern of the cold light sheet, has simple process and helps to reduce the cost.

Description

technical field [0001] The invention relates to the field of optical technology, in particular to a cold light sheet with a controllable pattern, a manufacturing method thereof, and a light emitting device. Background technique [0002] EL (Electro Luminescent, referred to as EL) cold light sheet is a new type of green and environmentally friendly light source. It excites the luminescent material to produce luminescent light through an alternating electric field. It will not cause dizziness, it is a light source that does not harm the vision, and it has the advantages of energy saving, no heat generation, ultra-thin and light, can be bent and shaped at will, and can be cut freely. [0003] However, at present, the pattern change method of the EL film is complicated, and the electrode mask needs to be remade, which is complicated in process, poor in flexibility and high in cost. Contents of the invention [0004] The invention provides a luminescent sheet with a controllab...

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Problems solved by technology

[0003] However, at present, the pattern change method of the EL film is complicated, and the mask for the electrode needs to be remade, which is complex in process, poor in flexibility and high in cost.

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