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Light emitting module, a lamp, a luminaire and a display device

A light emitting module 150 emits light through a light exit window 104 and comprises a base 110, a solid state light emitter 154, 156 and a partially diffusive reflective layer 102. The base 110 has a light reflective surface 112 which faces towards the light exit window 104. The light reflective surface 112 has a base reflection coefficient Rbase which i defined by a ratio between the amount of light that is reflected by the light reflective surface and the amount of light that impinges on the light reflective surface. The solid state light emitter 154, 156 emits light of a first color range 114, comprises a top surface 152, 158 and has a solid state light emitter reflection coefficient R_SSL which is defined by a ratio between the amount of light that is reflected by the solid state emitter 154, 156 and the amount of light that impinges on the top surface 152, 158 of the solid state light emitter 154, 156. The light exit window 104 comprises at least a part of the partially diffusive reflective layer 102. A solid state light emitter area ratio ρSSL is defined as the ratio between the area of the top surface of the at least one solid state light emitter and the area of the light reflective surface of the base. A relatively efficient light emitting module is obtained if Rbase>R_SSL+c*(1−R_SSL) and the factor c is 0.2≦c≦1 for 0<ρSSL<0.1, 0.3≦c≦1 for 0.1≦ρSSL≦0.25, and 0.4≦c≦1 for ρSSL>0.25.
Owner:LUMILEDS

Light emiting module, a lamp, a luminaire and a display device

A light emitting module (150) emits light through a light exit window (104) and comprises a base (110), a solid state light emitter (154, 158) and a partially diffusive reflective layer (102). The base (110) has a light reflective surface (112) which faces towards the light exit window (104). The light reflective surface (112) has a base reflection coefficient Rbase which is defined by a ratio between the amount of light that is reflected by the light reflective surface and the amount of light that impinges on the light reflective surface. The solid state light emitter (154, 158) emits light of a first color range (114), comprises a top surface (152, 158) and has a solid state light emitter reflection coefficient R_SSL which is defined by a ratio between the amount of light that is reflected by the solid state emitter (154,156) and the amount of light that impinges on the top surface (152, 158) of the solid state light emitter (1154, 156). A largest linear size dssL of the top surface (106) of the at least one solid state light emitter is defined as the longest distance from a point on the top surface (152, 158) of the at least one solid state light emitter to another point on the top surface (152, 158) of the at least one solid state light emitter along a straight line. The light exit window (104) comprises at least a part of the partially diffusive reflective layer (102). A solid state light emitter area ratio ρSSL is defined as the ratio between the area of the top surface of the at least one solid state light emitter and the area of the light reflective surface of the base. A gap with a distance h is present between the top surface (152, 158) of the at least one solid state light emitter
Owner:LUMILEDS

Apparatus and Process for Distributed Autonomous Managing of Documents and Electronic Means

InactiveUS20070255728A1Satisfactory and less restrictive procedurePreserving consistency and exactness and controlContainer decorationsLevel indicationsBluetoothRadio frequency
According to the preferred embodiments of the present invention, an apparatus and method for distributed storing and retrieving of paper documents and their electronic means is disclosed. In this context, storing of documents refers to the efficient management of storage and document retrieval based not only on image but also on document contents means such as words, concepts, numbers etc. The preferred embodiments of the present invention provide for easy and effective indexing, storing, retrieving, searching and managing of paper-based documents and their contents. The proposed apparatus and method implement a desktop solution for filing which can be made available to each worker. Uniquely, the digital means filing system of the present invention allows user to index and label documents whenever desired prior of storing original in a file box which includes a memory device able to contain documents means such as image and contents in electronic format. Labeling of documents and file box by using either a dedicated desktop radio frequency identifier tag or printed labels. Operation of storing of documents in file box by using either a dedicated desktop radio frequency identifier tag or printed label to check and list contents. The most preferred embodiments of the present invention utilizes flash memory type unit and individual radio frequency identifier tags that are attached to the document and to the box and programmed once the filing procedure is successful. In an other preferred embodiment of the present invention the file box has memory module including a wireless communication device such as a blue-tooth able to internally check the presence of all memorized documents.
Owner:EASY INT
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