Patent ID: 11873989
Assignee: SIGNIFY HOLDING B.V.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 9:
10. A linear lighting device according to claim 1, wherein the interior surface comprises a passive reflective display device, such that second light is impinging on a surface of the passive reflective display device, the surface of the passive reflective display device comprising a plurality of passive reflective display device sections,
wherein the lighting device further comprises a control unit, coupled to the passive reflective display device, and configured to supply a voltage to each passive reflective display device section,
wherein a passive reflective display device section is in a first state, if a first voltage is applied to the passive reflective display device section by the control unit, and a passive reflective display device section is in a second state, if a second voltage is applied to the passive reflective display device section by the control unit, wherein the first voltage is different from the second voltage,
wherein a passive reflective display device section in the first state is configured such that the second light, reflected by the passive reflective display device section in the first state and subsequently having impinged upon the surface of the optical module and transmitted through the optical module, is light for which at least 3% of the total luminous flux is in the wavelength range between 400-470 nm, and
wherein a passive reflective display device section in the second state is configured such that the second light, reflected by the passive reflective display device section in the second state and subsequently having impinged upon the surface of the optical module and transmitted through the optical module, is light for which a percentage of the total luminous flux is in the wavelength range 400-470 nm is higher than the percentage of the total luminous flux in the wavelength range 400-470 nm of the second light reflected by the passive reflective display device section in the first state, by the passive reflective display device section in the second state having at least one of a reflectivity for light in the wavelength range 400-470 nm which is higher than a reflectivity for light in the wavelength range 400-470 nm of the passive reflective display device section in the first state, and a reflectivity for light in the wavelength range 470-650 nm which is lower than a reflectivity for light in the wavelength range 470-650 nm of the passive reflective display device section in the first state.