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Large angle illuminated LED filament light bulb

專利號(hào)
US10868227B2
公開日期
2020-12-15
申請(qǐng)人
JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD(CN Jiaxing)
發(fā)明人
Tao Jiang; Weihong Xu; Yukihiro Saito; Hayato Unagike; Aiming Xiong; Junfeng Xu; Yiching Chen
IPC分類
H01L33/50; H01L33/62; F21K9/237; H01L25/075
技術(shù)領(lǐng)域
led,filament,in,polyimide,quadrant,bulb,symmetric,light,diamine,conductive
地域: Jiaxing

摘要

An LED light bulb, comprising: a lamp housing, a bulb base, connected with the lamp housing; a stem with a stand extending to the center of the lamp housing, disposed in the lamp housing; a single flexible LED filament, disposed in the lamp housing, points of the flexible LED filament in an xyz coordinates are defined as X, Y, and Z, an x-y plane of the xyz coordinates is perpendicular to the height direction of the light bulb, a z-axis of xyz coordinates is parallel with the stem, the filament is bent into spiral in an axial direction, the diameter of the outer spiral coil of the filament is large than the diameter of the intermediate spiral coil of the LED filament in the YZ plane.

說明書

It will be understood that, although the terms first, second, third etc. may be used herein to describe various elements, components, regions, layers, or steps, these elements, components, regions, layers, and/or steps should not be limited by these terms. Unless the context indicates otherwise, these terms are only used to distinguish one element, component, region, layer, or step from another element, component, region, or step, for example as a naming convention. Thus, a first element, component, region, layer, or step discussed below in one section of the specification could be termed a second element, component, region, layer, or step in another section of the specification or in the claims without departing from the teachings of the present invention. In addition, in certain cases, even if a term is not described using “first,” “second,” etc., in the specification, it may still be referred to as “first” or “second” in a claim in order to distinguish different claimed elements from each other.

It will be further understood that the terms “comprises” and/or “comprising,” or “includes” and/or “including” when used in this specification, specify the presence of stated features, regions, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, regions, integers, steps, operations, elements, components, and/or groups thereof.

權(quán)利要求

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