Optical integrating element and integration type optical pickup device using the same

An integration type optical pickup device comprising:

• an optical integration element;
• focusing means for moving said optical integration element in a focus direction;
• and
• tracking means for moving said optical integration element in a tracking direction,
• wherein said optical integration element comprises,
• a light emitting element for emitting light;
• receiving means for receiving reflected light;
• a heat sink, wherein said light emitting element is disposed above said light emitting element;
• and
• an optical member for propagating emitted light from said light emitting element and releasing emitted light after reflecting the emitted light a plurality of times, said optical member including a plurality of optical elements,
• wherein said light emitting element is fixed to said optical member through said heat sink.

An integration type optical pickup device comprising:

• light emitting means for emitting light;
• an optical member for propagating light emitted from said light emitting means and for forming an integral optical means;
• a bobbin having first and second openings;
• a lid member;
• a base on which said bobbin is disposed;
• elastic means provided between said base and said bobbin;
• and
• a pair of magnetic force generating means, one of said pair of magnetic force generating means disposed on said bobbin, and the other of said pair disposed on said base at a position confronting one of said pair of magnetic force generating means,
• wherein said optical member is accommodated in said bobbin, said first opening is closed by said optical member, said second opening is closed by said lid member, and said light emitting means is provided between said lid member and said optical member.

An integration type optical pickup device comprising:

• (1) an optical integration element comprising,
• a substrate,
• a light emitting element for emitting light, said element disposed on said substrate,
• receiving means for receiving reflected light, said receiving means disposed on said substrate,
• a heat sink fixed on said substrate, and
• an optical member having a first plane confronting a medium and a second plane confronting said light emitting element and being on an opposite side of said first plane,
• said optical member comprising,
• a first reflecting part for reflecting the light emitted from said light emitting element,
• a second reflecting part for reflecting the light from said first reflecting part by converting the light into nearly parallel light or convergent light, and
• a condensing part for condensing the light from said second reflecting part,
• wherein said first reflecting part and condensing part are formed apart from each other on said first plane, and said second reflecting part is formed on said second plane,
• wherein said light emitting element is fixed to said optical member through said heat sink;
• (2) a bobbin having having first and second openings;
• (3) a lid member;
• (4) a base on which said bobbin is disposed;
• (5) elastic means provided between said base and said bobbin;
• (6) first magnetic force generating means disposed on said bobbin;
• (7) second magnetic force generating means disposed on said base at a position confronting said first magnetic force generating means;
• and
• (8) a flexible printed circuit board supplying power to said substrate,
• wherein said optical integration element is accommodated in said bobbin, said first opening is closed by said optical member, said second opening is closed by said lid member, and said light emitting means is provided between said lid member and said optical member.

An integration type optical pickup device comprising:

• an optical integration element;
• and
• an accommodating member accommodating and sealing said optical integration element,
• wherein said optical integration element comprises,
• a light emitting element for emitting light;
• receiving means for receiving reflected light;
• a heat sink, wherein said light emitting element is disposed above said heat sink;
• and
• an optical member for propagating emitted light from said light emitting element and releasing the emitted light after reflecting the emitted light a plurality of times, said optical member including a plurality of optical elements,
• wherein said light emitting element is fixed to said optical member through said heat sink, and
• wherein inert gas is sealed inside said accommodating member.