Patent landscapes › Electronics & gadgets
Is a night light patented?
Short answer: specific designs of a night light have been patented many times, but "a night light" as a general idea is not what is protected. What matters is the exact combination of features in your version.
What our index shows
- 239 US and WO patent publications since 2000 have a title matching “night light” or a close variant (our index of 9.7 million patent families; one publication per family).
- Among the 192 best keyword matches we examined, 47 were published in 2020 or later, and the earliest was published in 2000.
- Most frequent assignees in those matches: CHIEN TSENG LU (9), CHIEN TSENG-LU (7), XIAMEN LONGSTAR LIGHTING CO LTD (3), YUEN SE K (2).
- Most common patent classes (CPC subclasses): F21V (118), F21S (105), F21Y (77), H05B (28).
Counts come from keyword matching on titles and abstracts, so they are indicative, not a legal count. Some matches are different products that share a word.
14 real patent publications related to a night light
- LED night light has projection or pinhole image feature US-11873971-B2 2024 · CHIEN TSENG LU
An LED and/or laser light for night time or dark area use, such as a plug-in wall outlet night light or direct current (DC) operated desktop light, includes projection or pin-hole image features to project or present an image, mes…
View on Google Patents - Mirror device with night light mode, mirror device with capacitive sensor, and mirror device with interference-optical coating US-2024298819-A1 2024 · SIDLER METALLWAREN AG
The invention relates to a mirror device (101) having a mirror surface (1), at least one light source (2), a control device (3), and first and second control elements (4, 18) connected to the control device (3) via a cable. The li…
View on Google Patents - LED night light with edge-lit light guide US-11277010-B2 2022 · CHIEN TSENG LU
A night light includes a housing, AC-to-DC circuitry, at least two prongs configured to connect to a power source outlet, at least one LED, first and second optical elements for converting light beams from the LED into substantial…
View on Google Patents - Combined power strip plug and night light US-11333345-B1 2022 · SHENZHEN ANHAORUIHE ELECTRONICS CO LTD
A combined power strip plug and night light includes a plug body arranged on a power socket on an indoor wall. The plug body completely covers the power socket. The plug body includes a bottom cover, a power supply board arranged …
View on Google Patents - LED light fixture with nightlight US-11255498-B2 2022 · ETI SOLID STATE LIGHTING INC
A main light and a secondary LED light for generation lumination of particular light characteristics in a particular direction. This includes an LED lighting fixture having a main light in a ceiling/wall lamp and a nightlight tran…
View on Google Patents - LED night light or cover light has multiple functions US-11121513-B2 2021 · CHIEN TSENG LU
The LED night light or cover light has multiple Functions has built-in LED(s) for pre-determined illumination shown on housing, window, hole(s) of night or cover light which connect by prong to an existing wall inner-kit's rec…
View on Google Patents - Multiple functions LED night light US-10907784-B2 2021 · CHIEN TSENG LU
A multiple function LED night light not only offers LED illumination with predetermined colors, functions, or effects, but also includes additional functions such as providing a power source, sensor(s), power fail functions, and w…
View on Google Patents - Occupancy sensor with dimmer feature and night light and method of lighting control using the same US-9820357-B2 2017 · HUBBELL INC
System and method are provided where an occupancy sensor with a time delay function designed to dim the lights, for example as a warning, after a first period of time has expired without detecting room occupancy. The lights remain…
View on Google Patents - LED light having a built-in projection light and night light US-9157589-B2 2015 · CHIEN TSENG-LU
An LED light has a built-in projection light and a night light to offer at least two functions for people in a dark environment. The projection light can project an image from any type of display-unit irrespective of geometric sha…
View on Google Patents - Programmable LED Night Light US-2014268882-A1 2014 · HOANG NGUYEN HOAN
A programmable night light having a matrix of LEDs as its light source is provided. The present programmable LED night light comprises a panel supporting an LED matrix, a body portion, and a flexible neck extending between the pan…
View on Google Patents - Led light bulb concurrently serving as night light US-2013314947-A1 2013 · YANG PO-YU
Disclosed is an LED light bulb that also serves a night light, including a reflection structure, a cover, a circuit board, a heat dissipater, a power connector, and a light guide bar. The heat dissipater is mounted between and cou…
View on Google Patents - LED night light with projection feature US-8128274-B2 2012 · CHIEN TSENG-LU
An LED night light for night time or dark area use may be arranged as a plug-in wall outlet night light or a direct current that includes projection features to project an image, message, data, logo, and/or time on a ceiling, wall…
View on Google Patents - LED night light with liquid optics medium US-8029182-B2 2011 · CHIEN TSENG-LU
An LED night light includes a liquid optics medium arrangement that lets visible wavelength light beams pass through the liquid optics medium to a viewer. The liquid optics medium may include miniature floating objects made from t…
View on Google Patents - LED sensor night light US-2006007709-A1 2006 · YUEN SE K
A LED sensor night light comprises a housing consists of a front panel and a back panel, a transparent front protective shade with refractive angels at its surface; and a semi transparent back protective shade, and at least one co…
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What this means for your idea
Because patents cover specific combinations of features, the useful question is not “has a night light been patented?” but “has my combination of features been described before?” Consumer electronics are among the most heavily patented areas; the specific circuit, mounting, or interaction is what distinguishes a design.
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Guides that help with this
First-look landscape. Not exhaustive. Not legal advice. This page lists keyword-matched publications from a limited database; it does not say whether any product is or isn't covered by a patent, whether a patent is still in force, or whether your idea is patentable. Consult a registered patent attorney or agent.