Abstract:
The present invention relates to a control module (30) for a lighting system, which lighting system (10) comprises a base module (11) with at least two parallel electrodes (16) and at least one light module (20) coupled with said electrodes (16), said control module comprising: a controller (30) adapted to control at least one parameter of the at least one light module (20), and a holding member (28) adapted to removably hold said control module in engagement with said electrodes (16) of said lighting system (10). It also relates to a lighting system and a light module (20) for such a lighting system.
Abstract:
The invention relates to a passive matrix display (10,10') for displaying at least one predetermined sign (15,15'), comprising a carrier element (20) and a cover element (30), a plurality of elongated and generally parallel arranged conductive first strip- elements (21) and second strip-elements (31), a plurality of pixel elements (40), wherein the first strip-elements (21) and the second strip-elements (31) form a grid like structure (50), wherein the pixel elements (40) are connected to the grid like structure (50) and wherein the pixel elements (40) are only applied to those crossings of the first strip- elements (21) and the second strip-elements (31), necessary to form the at least one predetermined sign (15,15').
Abstract:
Devices (10) for driving loads (20) such as organic/inorganic light emitting diodes are provided with drivers (11) for driving the loads (20), with converters (12) for converting first parameter signals defining parameters of the loads (20) into second parameter signals each being defined by one bit per time interval, and with digital controllers (13) for controlling the drivers (11) in response to the second parameter signals. The converter (12) may comprise a comparator circuit (40) and a timer circuit (41) for comparing the first parameter signal with a reference signal and for generating the second parameter signal having a respective first or second value of two possible values in case of a respective first or second comparison result. The parameter may be a current flowing through or light emitted by at least a part of the load (20). The driver (11) may be a buck / boost / buck boost / fly back converter.
Abstract:
The invention relates to a bioreactor apparatus(1) for growing of biological species(2), comprising at least one basin device(3) defining a first habitat(4a) for a first species(2a), and a first lighting device(5a) having one light emitting solid- state lighting source(6), adapted for the first species(2a) by emitting light(L), wherein the solid-state lighting source(6) illuminates said habitat(4) using light energy emitted from the solid-state lighting source(6), wherein the bioreactor apparatus(1) comprises a second habitat(4b), adapted for a second species(2b). The invention further relates to a bioreactor system(20) comprising two bioreactor apparatus(1a,1b), one adopted as an aquatic ecoregion, one adopted as a terrestrial ecoregion, both combined to form a complex artificial ecoregion and a method for growing light energy dependant biological species(2) in one bioreactor apparatus(1), comprising: illuminating a first species(1) in a first habitat(4a) by a first lighting device(5a), transferring the grown first species(2a) to a successive habitat(4b, 4c, 4d,... ), separated from the previous habitat(4), via a connection system(7), illuminating a successive species(2b,2c,... ) in said successive habitat(4b,4c,4d,... ) by a successive lighting device(5b,5c,... ), and repeating the steps transferring and illuminating until the desired species(2) has grown to an optimum.
Abstract:
Supply circuit for supplying an output signal to a load, in particular for supplying a DC output current (Io) to an electronic lamp unit (LE), comprising: an input circuit (1) comprising input terminals (10, 11) for receiving an input supply signal (Us), a transistor H-bridge circuit (12) having separately controllable transistors (Tl, T2, T3, T4) for converting said input supply signal (Us) into a pulse signal (Ul), and an inductance circuit (Li) coupled between an input terminal (10, 11) and a H- bridge circuit input terminal (121), an output circuit (2) comprising a resonance circuit (Cs, Ls), a transformer (Tr) and an output rectifier circuit (B2), in particular a full bridge rectifier circuit, for converting said pulse signal (Ul) into said output signal (Io), and output terminals (20, 21) for outputting said output signal (Io) to said load (LE), a control circuit (3) for generating control signals (si, s2) for controlling the transistors (Tl, T2, T3, T4) of said transistor H-bridge circuit (12).
Abstract:
The invention relates to a light emitting tile (1), comprising a transparent carrier body (2), whereas at least one organic light emitting diode (OLED) (3) is arranged on at least one surface (2a, 2b) of the carrier body (2), in order to emit light with a first colour via at least one of the surfaces (2a, 2b), whereas at least one light emitting diode (4a, 4b) is attached to the carrier body (2), irradiating light into the carrier body (2) and which subsequently emits via at least one of the surfaces (2a, 2b) with a colour differing from the colour emitted by said organic light emitting diode (OLED) (3).
Abstract:
A driver circuit receives a three-phase AC voltage through three input terminals. The driver circuit has a bridge type three-phase switching circuit having three upper and three lower switching elements. The upper switching elements are connected to one of two DC output terminals, and the lower switching elements are connected to the other one of the two DC output terminals. A diode is connected between the output terminals. Sequentially, one of the upper switching elements in a predetermined phase is switched on while the two lower switching elements of other phases are alternately switched on, and one of the lower switching elements in a predetermined phase is switched on while the two upper switching elements of the other phases are alternately switched on.
Abstract:
The invention relates to an organic light emitting diode (OLED) device(200) comprising a tag element(201) that encodes operating information about the device, for example its maximal driving current, such that this information can be read out tirelessly and/or electrically by wire but approximately without Ohmic losses. The invention further comprises a socket(600) with a read-out unit(601) for reading out the operating information from such a tag element(201). The tag element may for instance comprise a tag electrode(201) that can capacitively couple to a counter- electrode(601) in the socket.
Abstract:
Driver arrangements (100) drive first organic light emitting diode circuits (1) coupled to reference terminals (10) and first output terminals (11) and drive second organic light emitting diode circuits (2) coupled to the first output terminals (11) and to second output terminals (12). The driver arrangements (100) comprise first / second elements (21 / 22) coupled to the first / second output terminals (11) and the reference terminals (10) and first / second switches (31 / 32) coupled to power source terminals (14) and the first / second output terminals (11 / 12) for controlling the stacked organic light emitting diode circuits (1, 2) individually. The switches (31, 32) and the first elements (21) comprise transistors and the second elements (22) comprise transistors or diodes. The first / second elements (21/ 22) and the first / second switches (31/ 32) are coupled to each other and via first / second inductors (41/ 42) to the first / second output terminals (11/ 12).
Abstract:
The invention relates to an illuminated tiling system (100) which comprises back panels (10) with at least one electrically conductive layer (12, 13), plugs (20) with projections (21, 23) that electrically contact the conductive layer(s) (12, 13), and light-tiles (30) with (O)LEDs that can be fixed to the plugs. For an easy tiling, dummy-tiles can first be tiled together with conventional tiles (2) and later be replaced with the light-tiles (30).