LED projection night light

• US 10,371,330 B2
• Filed: 05/12/2014
• Issued: 08/06/2019
• Est. Priority Date: 03/30/2005
• Status: Active Grant

• Current Assignee: Aaron Chien, Hsin-Yi Wang, Te-Ju Chien
• Original Assignee: Tseng-Lu Chien
• Inventors: Chien, Tseng-Lu
• Primary Examiner(s): Lee, Y M.
• Application Number:
  US14/275,184
• Publication Number:
  US 20150070595A1
• Time in Patent Office: 1,912 Days
• CPC Class Codes: F21K 9/232 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
• CPC Class Codes: F21S 10/002 using liquids, e.g. water
• CPC Class Codes: F21S 10/007 using rotating transparent or colored disks, e.g. gobo wheels
• CPC Class Codes: F21S 4/28 rigid, e.g. LED bars
• CPC Class Codes: F21S 8/035 by means of plugging into a wall outlet, e.g. night light
• CPC Class Codes: F21S 9/02 the power supply being a battery or accumulator
• CPC Class Codes: F21V 13/02 Combinations of only two kinds of elements
• CPC Class Codes: F21V 14/003 by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices
• CPC Class Codes: F21V 14/006 by means of optical elements, e.g. films, filters or screens, being rolled up around a roller
• CPC Class Codes: F21V 14/08 by movement of the screens or filters
• CPC Class Codes: F21V 17/02 with provision for adjustment F21V17/04 - F21V17/08 take precedence
• CPC Class Codes: F21V 21/08 Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
• CPC Class Codes: F21V 21/14 Adjustable mountings
• CPC Class Codes: F21V 21/22 telescopic
• CPC Class Codes: F21V 21/29 employing universal joints
• CPC Class Codes: F21V 21/30 Pivoted housings or frames
• CPC Class Codes: F21V 23/00 Arrangement of electric circuit elements in or on lighting devices characterised by cooling arrangements F21V29/508
• CPC Class Codes: F21V 23/04 the elements being switches safety devices F21V25/00
• CPC Class Codes: F21V 23/0442 activated by means of a sensor, e.g. motion or photodetectors
• CPC Class Codes: F21V 23/0471 the sensor detecting the proximity, the presence or the movement of an object or a person
• CPC Class Codes: F21V 29/00 : Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems lighting fixtures combined with outlets for air-treatment systems F24F13/078
• CPC Class Codes: F21V 5/04 : of lens shape
• CPC Class Codes: F21W 2121/00 : Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
• CPC Class Codes: F21Y 2115/10 : Light-emitting diodes [LED]
• CPC Class Codes: G03B 21/142 : Adjusting of projection optics
• CPC Class Codes: Y10S 362/80 : Light emitting diode
• CPC Class Codes: Y10S 362/806 : Ornamental or decorative

Abstract

An LED projection night light for night time or dark area use includes a plug-in wall outlet night light or direct current operated night light with projection features to project an image, message, data, logo, or time on a ceiling, walls, floor, or other desired surface. The LED night light incorporates optics means such as an optics-lens, slides, openings, or cut-outs, and/or a transparent material piece, translucent material piece, telescope assembly, housing-member, slide-film, slide-disc, elastic-member, tilt-means, rotating-means, adjust-means, roller-means, mechanical-means, extend-means, convex lens, and/or concave lens designed to make the desired image, message, data, logo, or time project to the ceiling, walls, floor, or other desired surface to be seen by a viewer. The LED light has an interchangeable power source arrangement, permitting the night light to be selectively powered by either an AC powered sealed-unit or a DC powered battery-pack.

Claims

1. An LED projection light, comprising:

at least one LED arranged to emit visible light beams; and

at least one power source connected to circuitry to cause said at least one LED to exhibit at least one of a desired light function, timing, color, and brightness,

wherein;

said LED projection light is a plug-in AC powered light having at least one conductive kit to be connected to an electrical outlet,

said LED projection light includes at least one optical lens installed on a top of a housing or on a top of at least one tube incorporated with the LED for projecting said light through one or more than one of a plurality of different image forming elements to cause a desired image, message, data, logo, or time to project onto a ceiling, walls, floor, or other desired surface, and

said image forming elements being mounted in a holding member or disc incorporated with a tube-assembly or the housing and including at least one of slides and films, and

further comprising a changing mechanism for enabling a user to change one of said plurality of image forming elements to a different one of said plurality of image forming elements, by moving the holding member from a first position in which said one of a plurality of image forming elements is in front of said at least one LED to a second position in which said different one of said image forming elements is in front of said at least one LED to change said image, message, data, logo or time.

2. An LED projection light as claimed in claim 1, further comprising at least one of the following elements:

(a) a telescope assembly, (b) a tilt assembly for tilting said optical lens, (c) a rotating assembly for rotating said optical lens and image forming elements, (d) an adjust assembly for adjusting said optical lens, (e) a roller assembly to move the optical lens or image forming elements, and (f) an elastic member to change a projection direction of said light.

3. An LED projection light as claimed in claim 1, wherein said changing mechanism includes at least one of a roller, an elastic member, a push button, and a movement-device.

4. An LED projection light as claimed in claim 1, wherein a projection direction and/or image is changed by at least one of a rotating-assembly, a tilt-assembly, a swivel-assembly, a housing-assembly, and a bend-assembly.

5. An LED projection light as claimed in claim 1, further comprising an extend assembly that changes a relative position of said holding member, said at least one LED, and/or said optical lens to adjust a focus of said image.