LED display unit
AssigneeStanley Electric Co., Ltd.
InventorsHiroo Sakai, Shingo Otobe, Hideo Tamura, Toshimi Kamikawa
Life of this patent
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Abstract
An LED display unit comprises a printed circuit board. A plurality of LEDs are packaged on the printed circuit board. Portions of the respective LEDs except for light emitting sections thereof are sealed by a resin. The LEDs having the portions thereof sealed by the resin are received in a case. A plurality of the cases are arranged on the attaching plate, to form a large-sized display panel. The case has a rear face thereof which is brought to a configuration in which spaces exist between the attaching plate and portions of the case except for a fixing portion thereof to the attaching plate and a connector for wiring.
Claims5
An LED display unit comprising:
- a printed circuit board;
- a plurality of LEDs packaged on said printed circuit board;
- a resin by which portions of said LEDs except for light-emitting sections thereof are sealed;
- an attaching plate;
- a case in which said LEDs having the portions thereof sealed by said resin are received, a plurality of said cases being arranged on said attaching plate to form a large-sized display panel with each case having a rear face and four legs projecting from four corners of the rear face of the case with at least a pair of said legs securing said case and said attaching plate to one another;
- and
- a connector for each said case for wiring to said printed circuit board;
- the rear face of each said case being spaced from said attaching plate, each case being configured such that spaces are extant between said attaching plate and said rear face and between said legs and said wiring connector.
Dependencies are inferred from the claim text.