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Organic light-emitting diode device and lamp

A light-emitting diode, an organic technology, applied in the field of lighting, can solve the problems that it is difficult to realize double-sided heterochromatic light emission, and the luminous chromaticity of OLED is difficult to change.

Active Publication Date: 2017-10-10
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the problem that it is difficult to change the luminous chromaticity of the existing OLED, and it is difficult to realize double-sided heterochromatic light emission, and provides an organic light emitting diode device and a lamp

Method used

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  • Organic light-emitting diode device and lamp
  • Organic light-emitting diode device and lamp
  • Organic light-emitting diode device and lamp

Examples

Experimental program
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Embodiment 1

[0030] This embodiment provides an organic light emitting diode device, such as figure 1 As shown, it includes two electrodes 1 made of transparent materials, a luminescent layer 2 is sandwiched between the two electrodes, and an interference filter 3 is provided on at least one electrode away from the luminescent layer, for The light incident on the interference filter is split to transmit the light within the threshold wavelength range and change the propagation direction of the light not within the threshold wavelength range. Wherein, one of the two electrodes 1 is a cathode, and the other is an anode, and the positions of the cathode and the anode can be interchanged.

[0031] The two electrodes in the organic light emitting diode device of this embodiment are all made of transparent materials, and an interference filter 3 is arranged on at least one light-emitting side of the element that emits light on both sides, wherein the interference filter 3 utilizes multi-beam int...

Embodiment 2

[0033] This embodiment provides an organic light emitting diode device, such as figure 2 As shown, it includes a first electrode 11 (upper electrode) and a second electrode 12 (lower electrode) made of transparent materials, and a light-emitting layer 2 arranged between the first electrode 11 and the second electrode 12. The first electrode 11 An interference filter 3 is provided on the side away from the light-emitting layer 2, which is used to split the light incident on the interference filter 3, so as to transmit the light within the threshold wavelength range and change the The direction of propagation of light in the threshold wavelength range. The interference filter 3 includes a top reflector 31 , a bottom reflector 32 and an elastic support unit 33 . The top reflector 31 is used to reflect light not within the threshold wavelength range; the bottom reflector 32 is arranged opposite to the top reflector 31, and the bottom reflector 32 is closer to the top reflector 3...

Embodiment 3

[0055] This embodiment provides a lamp, including the above-mentioned organic light emitting diode device. Specifically, such as Figure 8 As shown, the lamp may further include a glass substrate 5 on which the organic light emitting diode device 6 is formed.

[0056] More specifically, see Figure 9 , when using Example 2 Figure 4 In the case of the organic light emitting diode device shown, the air pressure adjustment component 34 may be disposed at both ends of the organic light emitting diode device 6 on the glass substrate 5 . The light fixture of this embodiment can be used as glass for buildings, and has the following advantages:

[0057] 1. Since the two electrodes of the organic light-emitting diode device are made of transparent materials, the product lamps are transparent and can ensure good lighting in the room.

[0058] 2. One side (side B) of the lamp emits white light, which can be used as indoor lighting; the other side (side A) can emit light of different...

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Abstract

The invention provides an organic light-emitting diode device and a lamp, and belongs to the technical field of illumination. The invention solves the problems in the prior art that the light-emitting chromaticity of an existing OLED is difficult to change and the two-sided abnormal-color light emission is difficult to achieve. According to the technical scheme of the invention, two electrodes in the organic light-emitting diode device are made of transparent materials. An interference filter is arranged on the light emitting side of at least one electrode, so that the light emitted by a light-emitting layer is split through the interference filter. The light within a threshold wavelength range is transmitted out, while the light out of the threshold wavelength range is changed in propagation direction and finally absorbed by the device. That means, the light of a certain color is selected by the interference filter according to the wavelength selectively to shoot out, so that the color of the emergent light and the color of a light source are changed. Meanwhile, for the other side of the electrode without the interference filter, the light emitted by the light-emitting layer is not affected at all. Therefore, the device can be used as a lighting device and the light emitted from the upper surface of the device and the light emitted from the lower surface of the device are different. The organic light-emitting diode device is suitable for various lamps.

Description

technical field [0001] The invention belongs to the technical field of lighting, and in particular relates to an organic light emitting diode device and a lamp. Background technique [0002] After decades of development, organic light emitting diode (OLED) display devices have achieved huge technological breakthroughs, have been successfully commercialized, and have shown great advantages in high-tech display fields such as flexibility and transparency. Today's OLED not only shines in the display field, but also has a good development in the lighting field. [0003] An organic light emitting diode includes an anode, a hole transport layer, a light emitting material layer, an electron transport layer and a cathode which are stacked. When transparent materials are selected for both the cathode and the anode, the organic light-emitting diode can realize transparent display or lighting. For OLED display technology, functions such as transparent lighting, double-sided different...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/50H01L51/52
CPCH10K50/856H10K50/868
Inventor 周威龙袁德白清云杨亚敏龚庆
Owner BOE TECH GRP CO LTD
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