TWI513061B - Light module - Google Patents

Description

Light module

The present disclosure relates to a lighting module, and more particularly to a color temperatureable lighting module.

Organic Light-Emitting Diode (OLED), also known as Organic Electroluminescence Display (OLED), has the opportunity to become the mainstream flat panel display and lighting equipment in the future. . Compared with liquid crystal displays (LCDs), organic light-emitting diodes have self-luminous, fast response time, high brightness, high lumen efficiency, low operating voltage, thin panel thickness, can be made into large-sized panels or flexible The advantages of curved panels and simple processes.

When the organic light-emitting diode is used as a lighting device, white light can be produced by mixing light sources of different colors to meet the lighting requirements of a general occasion. In addition, the red light element, the green light element, and the blue light element can be fabricated on the substrate, and then driven by different voltages to achieve a function of adjusting the color temperature. Moreover, the brightness of the organic light-emitting diode and the effect of light mixing are also room for improvement. Therefore, how to develop a light-emitting diode module can simplify the structure of the currently adjustable color temperature of the light-emitting diode, and can also improve the light-emitting diode. The brightness and the effect of mixing light are the goals that the industry is eager to achieve.

The light emitting module of the embodiment includes a substrate, a protruding structure, at least one first light emitting element, and at least one second light emitting element. The protrusion structure is disposed on the substrate. The protruding structure has a first surface and a second surface, and the first surface and the second surface are clipped at an angle. The first illuminating element is disposed on the first surface of the protruding structure. The second light emitting element is disposed on the second surface of the protruding structure. The light color of the first light emitting element is different from the light color of the second light emitting element.

The above description of the disclosure and the following description of the embodiments are intended to illustrate and explain the principles of the disclosure, and to provide further explanation of the scope of the disclosure.

10a‧‧‧Lighting module

10b‧‧‧Lighting Module

10c‧‧‧Lighting Module

10d‧‧‧Lighting module

10e‧‧‧Lighting Module

110‧‧‧Substrate

110c‧‧‧Substrate

110e‧‧‧Substrate

120‧‧‧Protruding structure

120c‧‧‧ protruding structure

120e‧‧‧Protruding structure

121‧‧‧ first surface

122‧‧‧ second surface

14‧‧‧First light-emitting element

141‧‧‧First transparent electrode layer

141b‧‧‧First transparent electrode layer

141c‧‧‧first transparent electrode layer

142‧‧‧First luminescent layer

143‧‧‧First metal electrode layer

143d‧‧‧First metal electrode layer

143e‧‧‧first metal electrode layer

16‧‧‧Second light-emitting element

161‧‧‧Second transparent electrode layer

161b‧‧‧Second transparent electrode layer

161c‧‧‧Second transparent electrode layer

162‧‧‧second luminescent layer

163‧‧‧Second metal electrode layer

163d‧‧‧Second metal electrode layer

163e‧‧‧Second metal electrode layer

17‧‧‧First drive voltage source

18‧‧‧Second drive voltage source

1 is a cross-sectional view of a light emitting module according to a first embodiment of the present disclosure.

2 is a cross-sectional view of a light emitting module according to a second embodiment of the present disclosure.

3 is a schematic cross-sectional view of a light emitting module according to a third embodiment of the present disclosure.

4 is a cross-sectional view of a light emitting module according to a fourth embodiment of the present disclosure.

FIG. 5 is a cross-sectional view of a light emitting module according to a fifth embodiment of the present disclosure. intention.

Please refer to FIG. 1 , which is a cross-sectional view of a light emitting module according to a first embodiment of the present disclosure.

A light emitting module 10a includes a substrate 110, a protruding structure 120, a first light emitting element 14, a second light emitting element 16, a first driving voltage source 17, and a second driving voltage source 18.

The protrusion structure 120 is disposed on the substrate 110. The protrusion structure 120 has a first surface 121 and a second surface 122, and the first surface 121 and the second surface 122 are sandwiched by an angle θ. In an embodiment, the angle θ between the first surface 121 and the second surface 122 ranges from 60 degrees to 140 degrees. In this embodiment, the protruding structure 120 can be, for example, a prismatic structure having a triangular cross section, but the disclosure is not limited thereto. In other embodiments, the protrusion structure 120 may also be, for example, a polygonal column structure having a polygonal cross section.

The first light emitting element 14 includes a first transparent electrode layer 141, a first light emitting layer 142 and a first metal electrode layer 143. The first luminescent layer 142 is disposed between the first transparent electrode layer 141 and the first metal electrode layer 143 , and the first transparent electrode layer 141 is disposed on the first surface 121 . The second light emitting element 16 includes a second transparent electrode layer 161, a second light emitting layer 162 and a second metal electrode layer 163. The second luminescent layer 162 is disposed between the second transparent electrode layer 161 and the second metal electrode layer 163 , and the second transparent electrode layer 161 is disposed on the second surface 122 . The light color of the first light emitting element 14 may be different from the light color of the second light emitting element 16. First The color temperature of one of the light-emitting elements 14 may be different from the color temperature of the second light-emitting element 16. In this embodiment, the light color of the first light-emitting element 14 and the light color of the second light-emitting element 16 are complementary colors, but the disclosure is not limited thereto. In other embodiments, the user may also The light-emitting elements of any two light colors are selected for use. In this embodiment, the light color of the first light-emitting element 14 can be, for example, blue light, and the wavelength range thereof is 450 nm to 490 nm, and the light color of the second light-emitting element 16 is, for example, yellow light, and the wavelength range thereof is 565 nm to 610 nm. However, this disclosure is not limited to this. However, the use of blue and yellow light for the light-emitting elements is not intended to limit the invention. In other embodiments, the light color of the first light-emitting element 14 may be, for example, cool-toned white light, and the color temperature may range from 6000K to 10000K, and the light color of the second light-emitting element 16 is, for example, warm-white light, and the color temperature range thereof may be 1500K-3000K.

In the present embodiment, the first transparent electrode layer 141 and the second transparent electrode layer 161 are separated from each other, and the first metal electrode layer 143 and the second metal electrode layer 163 are separated from each other.

In the light-emitting module 10a of the present embodiment, the first surface 121 and the second surface 122 of the protrusion structure 120 are at an angle θ, and the first light-emitting element 14 is disposed on the first surface 121 of the protrusion structure 120. The two light-emitting elements 16 are disposed on the second surface 122 of the protrusion structure 120. When the first light-emitting layer 142 and the second light-emitting layer 162 emit light, the light emitted by the first light-emitting layer 142 can be emitted toward the inside of the protrusion structure 120, and the light will be protruding. The inside of the structure 120 is first mixed and then emitted from the end of the substrate 110. By the process of the light mixing, the light emitting module 10a of the embodiment allows the user to see the uniformly mixed illumination light. Lines for better lighting. Compared with the structure for arranging the illuminating element on the substrate, the embodiment of the present disclosure can increase the surface area of the first illuminating element 14 and the second illuminating element 16 disposed on the protruding structure 120 by the design of the protruding structure 120. This increases the light-emitting area, thereby increasing the light-emitting brightness of the light-emitting module 10a.

Next, the square of the color temperature and brightness of the light-emitting module 10a is adjusted. The law is explained. In the embodiment, the first driving voltage source 17 is electrically connected to the first illuminating element 14 , and the second driving voltage source 18 is electrically connected to the second illuminating element 16 . The first driving voltage source 17 and the second driving voltage source 18 can respectively apply different voltages to the first light emitting element 14 and the second light emitting element 16 respectively. By applying different voltages to the first light-emitting element 14 and the second light-emitting element 16, the color temperature and brightness of the overall illumination light of the light-emitting module 10a can be adjusted. For example, adjusting the ratio of the voltage provided by the first driving voltage source 17 and the voltage provided by the second driving voltage source 18 can adjust the color temperature of the overall illumination light of the light emitting module 10a. In another embodiment, simultaneously increasing the voltages provided by the first driving voltage source 17 and the second driving voltage source 18 can improve the brightness of the overall illumination light of the light emitting module 10a. The light-emitting module 10a of the embodiment can adjust the color temperature and brightness of the illumination light by using a simple structure design.

The light-emitting module of the present disclosure can also have different structural designs. These different structures will be described in the second embodiment to the fifth embodiment of the present disclosure. The light-emitting modules of the second embodiment to the fifth embodiment are similar to the light-emitting module 10a of the first embodiment, so only the differences will be described.

2 is a light emitting module according to a second embodiment of the present disclosure Schematic diagram of 10b. In this embodiment, the first transparent electrode layer 141b and the second transparent electrode layer 161b are electrically connected to each other and are integrally formed, thereby simplifying the first driving voltage source 17 and the second driving voltage source 18 and the first A connection circuit of a light-emitting element 14 and a second light-emitting element 16.

Figure 3 is a lighting module according to a third embodiment of the present disclosure. Schematic diagram of 10c. In this embodiment, the first transparent electrode layer 141c and the second transparent electrode layer 161c are electrically connected to each other and are integrally formed, thereby simplifying the first driving voltage source 17 and the second driving voltage source 18 and A connection circuit of a light-emitting element 14 and a second light-emitting element 16. In addition, the protrusion structure 120c and the substrate 110c may also be an integrally formed structure.

Figure 4 is a lighting module according to a fourth embodiment of the present disclosure. Schematic diagram of the 10d section. In this embodiment, the first metal electrode layer 143d and the second metal electrode layer 163d are electrically connected to each other and are integrally formed, thereby simplifying the first driving voltage source 17 and the second driving voltage source 18 and A connection circuit of a light-emitting element 14 and a second light-emitting element 16.

Figure 5 is a lighting module according to a fifth embodiment of the present disclosure. Schematic diagram of 10e. In this embodiment, the first metal electrode layer 143e and the second metal electrode layer 163e are electrically connected to each other and are integrally formed, thereby simplifying the first driving voltage source 17 and the second driving voltage source 18 and A connection circuit of a light-emitting element 14 and a second light-emitting element 16. Moreover, the protrusion structure 120e and the substrate 110e may also be integrally formed.

In addition, in the light-emitting module of each embodiment of the disclosure, the protrusion structure 120 may be further provided with a scattering layer (not drawn) or a diffusion film (not drawn) on one side of the substrate 110 to achieve a better illumination effect.

A light emitting module according to an embodiment of the present disclosure, due to a raised knot The first light-emitting element and the second light-emitting element are disposed on both sides of the protruding structure, and the light emitted by the first light-emitting element and the second light-emitting element can be emitted toward the inside of the protruding structure, and the light will be inside the protruding structure The light is mixed first, so that the user can see the evenly mixed illumination light. Moreover, the arrangement of the protrusion structure can increase the surface area of the first light-emitting element and the second light-emitting element placed in the protrusion structure, thereby improving the brightness of the light. By adjusting the first driving voltage source and the second driving voltage source, different voltages can be applied to the first illuminating element and the second illuminating element respectively, thereby achieving the effect of adjusting the color temperature of the illuminating module. The light-emitting module of one embodiment of the present disclosure can adjust the color temperature and brightness of the illumination light by using a simple structural design.

The present disclosure has been disclosed in the foregoing preferred embodiments. However, it is not intended to limit the scope of the disclosure, and it is obvious to those skilled in the art that the present invention can be modified and retouched without departing from the spirit and scope of the disclosure. The scope of patent protection disclosed is subject to the definition of the scope of the patent application attached to this specification.

10a‧‧‧Lighting module

110‧‧‧Substrate

120‧‧‧Protruding structure

121‧‧‧ first surface

122‧‧‧ second surface

14‧‧‧First light-emitting element

141‧‧‧First transparent electrode layer

142‧‧‧First luminescent layer

143‧‧‧First metal electrode layer

16‧‧‧Second light-emitting element

161‧‧‧Second transparent electrode layer

162‧‧‧second luminescent layer

163‧‧‧Second metal electrode layer

17‧‧‧First drive voltage source

18‧‧‧Second drive voltage source

Claims (10)

A light-emitting module includes: a substrate; a protrusion structure disposed on the substrate, the protrusion structure having a first surface and a second surface, the first surface and the second surface are clipped at an angle; at least one a first illuminating element disposed on the first surface of the protruding structure; and at least one second illuminating element disposed on the second surface of the protruding structure, wherein a color of the first illuminating element is different from the second illuminating The color of the component. The light emitting module of claim 1, wherein the first light emitting element comprises a first transparent electrode layer, a first light emitting layer and a first metal electrode layer, wherein the first light emitting layer is located in the first transparent layer Between the electrode layer and the first metal electrode layer, the first transparent electrode layer is disposed on the first surface, and the second light emitting element comprises a second transparent electrode layer, a second luminescent layer and a second metal electrode And a second light emitting layer is disposed between the second transparent electrode layer and the second metal electrode layer, and the second transparent electrode layer is disposed on the second surface. The illuminating module of claim 2, wherein the first metal electrode layer and the second metal electrode layer are electrically connected to each other and are integrally formed Structure. The illuminating module of claim 2, wherein the first transparent electrode layer and the second transparent electrode layer are electrically connected to each other and are integrally formed. The light-emitting module of claim 1, wherein the light color of the first light-emitting element and the light color of the second light-emitting element are complementary colors. The light-emitting module of claim 1, wherein the light color of the first light-emitting element is blue light, and the light color of the second light-emitting element is yellow light. The illuminating module of any one of the preceding claims, further comprising a first driving voltage source and a second driving voltage source, the first driving voltage source being electrically connected to the first illuminating component The second driving voltage source is electrically connected to the second light emitting element. The light-emitting module according to any one of claims 1 to 4, wherein the protruding structure and the substrate are integrally formed. The illuminating module of claim 1, wherein the protruding structure is further provided with a scattering layer or a diffusion film adjacent to one side of the substrate. The lighting module of claim 1, wherein the first surface and the second surface are sandwiched by the angle of 60 degrees to 140 degrees.