Light emitting diode module

• US 3,889,147 A
• Filed: 09/30/1974
• Issued: 06/10/1975
• Est. Priority Date: 09/30/1974
• Status: Expired due to Term

• Current Assignee: Henry Tobin Groves
• Original Assignee: Henry Tobin Groves
• Inventors: Groves, Henry Tobin
• Primary Examiner(s): Demeo, Palmer C.
• Application Number:
  US05/510,495
• Time in Patent Office: 253 Days
• Field of Search: 313/500,512,499,324 315/51,52,53
• US Class Current: 313/500
• CPC Class Codes: G09F 9/33 being semiconductor devices, e.g. diodes
• CPC Class Codes: H01L 25/0753 the devices being arranged next to each other
• CPC Class Codes: H01L 25/167 comprising optoelectronic devices, e.g. LED, photodiodes
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H01L 33/483 Containers

Abstract

A light emitting diode (LED) module having an LED array and self-contained electronic circuitry for the LED array, which circuitry includes, for example, row driving and column switching circuitry, and further having the LED array and electronic circuitry cooperating in a functional manner but physically separated so that a selected one of either the LED array or the electronic circuitry is individually accessible without corresponding access to the other.

Claims

1. A light emitting diode module having self-contained electronic circuitry, the module comprising:

a. module base having at least a first base compartment, b. a plurality of electrical conductors formed within said base, c. at least first and second electrical power conductor pins extending outwardly from said base and electrically connected to first and second ones of said electrical conductors respectively, d. light emitting diode array positioned on said base and electrically connected between said second electrical conductor and a third one of said electrical conductors, said array positioned on said base so that adjacent arrays and arrays on adjacent modules are equidistant between array centers, e. electronic circuitry positioned in said first base compartment and electrically connected between said first and third electrical conductors to drive and switch said array in a selected manner, f. a cover for said first base compartment, and g. a transparent protective means covering said array.

2. The light emitting diode module of claim 1 in which said base has at least first and second compartments with said light emitting diode array positioned in said second compartment.

3. The light emitting diode module of claim 2 in which said first compartment is a first cavity and said second compartment is a ledge separated from said first cavity by a cavity wall.

4. The light emitting diode module of claim 1 in which said protective means is a transparent encapsulant material.

5. The light emitting diode module of claim 1 in which said base has at least first and second base compartments with said electronic circuitry positioned in said first base compartment and said light emitting diode array positioned in said second base compartment.

6. The light emitting diode module of claim 5 in which said transparent means is a transparent cover for said second base compartment.

7. The light emitting diode module of claim 6 in which said transparent cover is hermetically sealed to said second cavity.

8. The light emitting diode module of claim 1 in which said first base compartment is a first cavity having a metallized rim and said cover has a metallized surface, said metallized rim and surface being joined in a hermetically sealed relationship.