Light source, manufacturing method thereof, customizable illumination device and manufacturing method thereof

Patent metadata

Field	Value
Publication number	US-10208908-B2
Application number	US-201515122276-A
Country	US
Kind code	B2
Filing date	Aug 20, 2015
Priority date	Mar 30, 2015
Publication date	Feb 19, 2019
Grant date	Feb 19, 2019

Abstract

A light source includes a light-source unit including a plurality of light emitting units and a power supply unit provided at a non-light emitting side of the light-source unit. The plurality of light emitting units are connected in parallel and include common connection electrodes. The common connection electrodes are electrically connected to electrode terminals of the power supply unit, respectively.

First claim

What is claimed is:

1. A light source, comprising a light-source unit comprising a plurality of light emitting units and a power supply unit provided at a non-light emitting side of the light-source unit, wherein, the plurality of light emitting units are connected in parallel and comprise common connection electrodes, and the common connection electrodes are electrically connected to electrode terminals of the power supply unit, respectively;
wherein, each of the light emitting units is an OLED device and comprises a first electrode and a second electrode which are provided opposite to each other and in different layers and a light emitting layer and an insulating layer which are provided between the first electrode and the second electrode, the common connection electrodes comprise a positive common connection electrode provided in a layer in which the first electrode is provided and a negative common connection electrode provided in a layer in which the second electrode is provided, a plurality of the first electrodes are connected to a positive electrode terminal of the power supply unit through the positive common connection electrode, and a plurality of the second electrodes are connected to a negative electrode terminal of the power supply unit through the negative common connection electrode;
wherein, the plurality of the first electrodes are connected in parallel to form the positive common connection electrode, and the plurality of the second electrodes are connected in parallel to form the negative common connection electrode.

2. The light source according to claim 1 , wherein, each of the first electrodes comprises a first-electrode body and a first-electrode connection portion and a first-electrode connector which are formed by an extension of the first-electrode body;
each of the second electrodes comprises a second-electrode body and a second-electrode connection portion and a second-electrode connector which are formed by an extension of the second-electrode body, the second-electrode body, the second-electrode connection portion and the second-electrode connector correspond to the first-electrode body, the first-electrode connection portion and the first-electrode connector, respectively;
the first-electrode connectors of the plurality of light emitting units are electrically connected to each other to Form the positive common connection electrode, and the second-electrode connectors of the plurality of light emitting units are electrically connected to each other to form the negative common connection electrode; and
the insulating layer is provided in a peripheral region between the first-electrode body and the second-electrode body, and the light emitting layer is provided in a closed region defined by the insulating layer.

3. The light source according to claim 2 , wherein, the plurality of light emitting units are arranged in an array, each of the positive common connection electrode and the negative common connection electrode comprises a first common connection electrode and a second common connection electrode, the first common connection electrode is formed by electrically connecting to each other the first-electrode connectors of the light emitting units in a row direction and extends along the row direction, the second common connection electrode crosses and is electrically connected to the first common connection electrode, and extends along a column direction, the light emitting units in each column correspond to one second common connection electrode.

4. The light source according to claim 2 , wherein, the first-electrode body and the second-electrode body have a same shape, the first-electrode connection portion and the second-electrode connection portion have a same shape, and the first-electrode connector and the second-electrode connector have a same shape.

5. The light source according to claim 2 , wherein, a shape of the first-electrode body is a polygon or a circle.

6. A light source, comprising a light-source unit comprising a plurality of light emitting units and a power supply unit provided at a non-light emitting side of the light-source unit, wherein, the plurality of light emitting units are connected in parallel and comprise common connection electrodes, and the common connection electrodes are electrically connected to electrode terminals of the power supply unit, respectively;
wherein, each of the light emitting units is an OLED device and comprises a first electrode and a second electrode which are provided opposite to each other and in different layers and a light emitting layer and an insulating layer which are provided between the first electrode and the second electrode, the common connection electrodes comprise a positive common connection electrode provided in a layer in which the first electrode is provided and a negative common connection electrode provided in a layer in which the second electrode is provided, a plurality or the first electrodes are connected to a positive electrode terminal of the power supply unit through the positive common connection electrode, and a plurality of the second electrodes are connected to a negative electrode terminal of the power supply unit through the negative common connection electrode;
wherein, the light emitting layer is made of Alq or Balq, and the insulating layer is made of silicon dioxide or a photoresist.

7. The light source according to claim 1 , wherein, the power supply unit comprises a power conversion section and a power storage section, and the power conversion section has a shape adapted to that of the light-source unit.

8. The light source according to claim 7 , wherein, the power conversion section is a solar panel, the power storage section is a rechargeable battery, and the rechargeable battery is provided between the light-source unit and the solar panel or at a side or the light-source unit and the solar panel.

9. The light source according to claim 1 , wherein, a plurality of microstructures are provided at a light emitting side of the light-source unit, and/or, a plurality of microstructures are provided at an outer surface of the power supply unit which is not in direct contact with the light-source unit.

10. The light source according to claim 9 , wherein, a shape of each of the plurality of microstructures is any one of a triangular strip, a microsphere, a tetrahedron and a cone, and an arrangement of the plurality of microstructures is a corresponding one of a triangular-strip array, a microsphere array, a tetrahedron array and a cone array.

11. The light source according to claim 1 , wherein, the light-source unit and the power supply unit are assembled together by being attached to each other.

12. A customizable illumination device, comprising the light source according to claim 1 .

13. A manufacturing method of a light source, comprising steps of:
forming a light-source unit, so that the light-source unit comprises a plurality of light emitting units which are connected in parallel;
forming a power supply unit, so that the power supply unit comprises a power conversion section and a power storage section; and
assembling the light-source unit and the power supply unit together by attaching them to each other, and electrically connecting the light-source unit to electrode terminals of the power supply unit through common connection electrodes;
wherein, the step of forming the light-source unit comprises steps of:
forming a pattern comprising a first electrode on a substrate;
forming, on the first electrode, a pattern comprising an insulating layer and a pattern of a light emitting region defined by the pattern of the insulating layer;
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Assignees

• Boe Technology Group Co Ltd

Inventors

• Hung Hsiaowen
• Hung Haochih
• Shi Shoulei
• Song Yingying

Classifications

• F21V23/06

  the elements being coupling devices {, e.g. connectors} · CPC title

• F21Y2115/15

  Organic light-emitting diodes [OLED] · CPC title

• F21S9/037 Primary

  the solar unit and the lighting unit being located within or on the same housing · CPC title

• H01L27/3202

  Electricity · mapped topic

• F21S9/03 Primary

  rechargeable by exposure to light · CPC title