JP2016200808A5

JP2016200808A5 -

Info

Publication number: JP2016200808A5
Application number: JP2016054364A
Authority: JP
Filing date: 2016-03-17
Publication date: 2019-05-30
Anticipated expiration: 2036-03-17

Claims

In a single pass imaging system
A plurality of light emitting elements arranged in a two-dimensional array, wherein each light emitting element transmits an associated modulated light portion having a first intensity when each light emitting element is in a first modulation state; Each light emitting element transmits the associated light portion having a second intensity lower than the first intensity when each light emitting element is in the second modulation state, and each light emitting element corresponds to a predetermined direction Each light emitting element being adjusted between two or more modulation states such that the plurality of light emitting elements are modulated to generate a modulated two-dimensional light field. Said plurality of light emitting elements being possible;
A two-dimensional light irradiation field generator including a controller configured to control the plurality of light emitting elements according to the received image data;
The light emitting device is disposed to receive the modulated two-dimensional light irradiation field from the two-dimensional light irradiation field generator, and transmitted from the respective light emitting elements such that the collected modulated light beam part generates an elongated scanning line image And anamorphic optics arranged to collect the associated light portion.
The plurality of light emitting elements are arranged in a plurality of rows and a plurality of columns, all of the light emitting elements in each of the columns forming an associated pixel group;
Said anamorphic optical system is arranged to focus the modulated light portion received from each associated pixel group of said plurality of light emitting elements onto said associated scan line portion of said elongated scan line image;
The anamorphic optical system includes a cross processing optical subsystem and a process direction optical subsystem,
The cross processing optical subsystem includes first and second focus lenses arranged to project and magnify the modulated light portion only in the cross processing direction,
The processing direction optical subsystem includes a third focusing lens arranged to focus the modulated light portion on the elongated scan line image parallel to the processing direction;
An imaging system , wherein each of the first, second and third focus lenses comprises a cylindrical lens and a non-cylindrical lens .

The imaging system according to claim 1, wherein said anamorphic optical system further comprises a collimating lens disposed between said two-dimensional light field generator and a plurality of said focusing lenses.

The imaging system of claim 1, wherein the two-dimensional light field generator comprises a plurality of vertical cavity surface emitting laser (VCSEL) devices arranged in an array.

4. The imaging system of claim 3, wherein each of the associated groups of pixels comprises the set of light emitting elements disposed on two or more VCSEL devices.

  In a single pass imaging system
  A plurality of light emitting elements arranged in a two-dimensional array, wherein each light emitting element transmits an associated modulated light portion having a first intensity when each light emitting element is in a first modulation state; Each light emitting element transmits the associated light portion having a second intensity lower than the first intensity when each light emitting element is in the second modulation state, and each light emitting element corresponds to a predetermined direction Each light emitting element being adjusted between two or more modulation states such that the plurality of light emitting elements are modulated to generate a modulated two-dimensional light field. Said plurality of light emitting elements being possible;
  A controller configured to control the plurality of light emitting elements according to received image data;
A two-dimensional light field generator including:
  The light emitting device is disposed to receive the modulated two-dimensional light irradiation field from the two-dimensional light irradiation field generator, and transmitted from the respective light emitting elements such that the collected modulated light beam part generates an elongated scanning line image. And anamorphic optics arranged to collect the associated light portion.
  The anamorphic optical system includes a cross processing optical subsystem and a process direction optical subsystem,
  The cross processing optical subsystem includes first and second focus lenses arranged to project and magnify the modulated light portion only in the cross processing direction,
  The processing direction optical subsystem includes a third focusing lens arranged to focus the modulated light portion on the elongated scan line image parallel to the processing direction;
  An imaging system, wherein each of the first, second and third focus lenses comprises a cylindrical lens and a non-cylindrical lens.

6. The imaging system of claim 5, wherein the two-dimensional light field generator comprises at least one of a multimode vertical cavity surface emitting laser (VCSEL) device and a single mode VCSEL device.

The controller is configured to generate a plurality of drive currents, each drive current corresponding to an associated pixel image data value;
7. The imaging system of claim 6, wherein all of the light emitting elements of each row forming the associated pixel group receive the associated drive current transmitted from the controller to all of the light emitting elements.

6. The imaging system of claim 5, wherein the anamorphic optical system further comprises a collimating lens disposed between the two-dimensional light field generator and the plurality of focus lenses.