LIGHT-EMITTING UNIT AND MANUFACTURING METHOD OF LIGHT-EMITTING UNIT

• US 20200136000A1
• Filed: 12/24/2019
• Published: 04/30/2020
• Est. Priority Date: 12/02/2013
• Status: Active Grant

• Current Assignee: Nichia Corporation
• Original Assignee: Toshiba Hokuto Electronics Corporation (Toshiba Corporation)
• Inventors: MAKI, Keiichi
• Granted Patent: US 11,538,972 B2
• Time in Patent Office: Days
• CPC Class Codes: H01L 2224/14 of a plurality of bump connectors
• CPC Class Codes: H01L 25/0753 the devices being arranged next to each other
• CPC Class Codes: H01L 2933/005 relating to encapsulations
• CPC Class Codes: H01L 2933/0066 relating to arrangements for conducting electric current to or from the semiconductor body
• CPC Class Codes: H01L 33/56 Materials, e.g. epoxy or silicone resin
• CPC Class Codes: H01L 33/62 Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls

Abstract

A light transmissive first insulating film having light transmissive property to visible light, a second insulating film arranged opposite to the first insulating film, a plurality of conductor patterns formed of, for example, mesh patterns having the light transmissive property to the visible light and formed on a surface of at least one of the first insulating film and the second insulating film, a plurality of first light-emitting devices connected to any two conductor patterns of the plurality of conductor patterns, and a resin layer arranged between the first insulating film and the second insulating film to hold the first light-emitting devices are included.

Claims

1-21. -21. (canceled)

22. A flexible light emitting unit emitting light from an upper side and a lower side of the flexible light emitting unit comprising:

a first light transmissive substrate that comprises a first light transmissive insulator and a conductive pattern on the first light transmissive insulator, the conductive pattern comprising a first mesh pattern having a first pad and a second mesh pattern having a second pad disposed with a predetermined distance from the first pad;

a second light transmissive substrate that comprises a second light transmissive insulator, the second light transmissive substrate arranged opposite to the first light transmissive substrate;

a light emitting diode, having a first electrode connected to the first pad of the first mesh pattern and a second electrode connected to the second pad of the second mesh pattern, the light emitting diode between the first light transmissive substrate and the second light transmissive substrate; and

a third light transmissive insulator in a space between the first light transmissive substrate and the second light transmissive substrate,

wherein the first mesh pattern includes a plurality of first lines, the second mesh pattern includes a plurality of second lines,

a first line of the plurality of first lines has a first portion with a first width that is larger than a line width of the plurality of first lines, the first portion being the first pad,

a second line of the plurality of second lines has a second portion with a second width that is larger than a line with of the plurality of second lines, the second portion being the second pad.

23. A flexible light emitting unit emitting light from an upper side and a lower side of the flexible light emitting unit comprising:

a first light transmissive substrate that comprises a first light transmissive insulator and a conductive pattern on the first light transmissive insulator, the conductive pattern comprising a first mesh pattern having a first pad and a second mesh pattern having a second pad disposed with a predetermined distance from the first pad;

a second light transmissive substrate that comprises a second light transmissive insulator, the second light transmissive substrate arranged opposite to the first light transmissive substrate;

a light emitting diode, having a first electrode connected to the first pad of the first mesh pattern and a second electrode connected to the second pad of the second mesh pattern, the light emitting diode between the first light transmissive substrate and the second light transmissive substrate; and

a third light transmissive insulator in a space between the first light transmissive substrate and the second light transmissive substrate,

wherein the first mesh pattern includes a plurality of first lines, the second mesh pattern includes a plurality of second lines,

a width of one portion of one first line of the plurality of first lines defining the first pad is larger than a first line width of each first line of the plurality of first lines,

a width of one portion of one second line of the plurality of second lines defining the second pad is larger than a second line width of each second line of the plurality of second lines.

24. A flexible light emitting unit emitting light from an upper side and a lower side of the flexible light emitting unit comprising:

a first light transmissive substrate that comprises a first light transmissive insulator and a conductive pattern on the first light transmissive insulator, the conductive pattern comprising a first mesh pattern and a second mesh pattern, the first mesh pattern and the second mesh pattern are separated by a gap, the first mesh pattern has a first pad and the second mesh pattern has a second pad;

a second light transmissive substrate that comprises a second light transmissive insulator, the second light transmissive substrate arranged opposite to the first light transmissive substrate;

a light emitting diode, having a first electrode connected to the first pad of the first mesh pattern and a second electrode connected to the second pad of the second mesh pattern, the light emitting diode between the first light transmissive substrate and the second light transmissive substrate; and

a third light transmissive insulator in a space between the first light transmissive substrate and the second light transmissive substrate,

wherein the first mesh pattern has a first portion whose width is larger than a line width of the first mesh pattern and the first portion forms the first pad, and the second mesh pattern has a second portion whose width is larger than a line width of the second mesh pattern and the second portion forms the second pad.