Display device and electronic watch

An electronic timepiece comprising:

• a first polarization separator that transmits linearly polarized light polarized in a first direction and that does not transmit linearly polarized light polarized in a direction perpendicular to the first direction;
• a polarization changing element disposed at a position to receive the linearly polarized light transmitted from the first polarization separator, the polarization changing element selecting between one of a changing state and a non-changing state of a polarization of the transmitted polarized light;
• a second polarization separator placed opposite to said first polarization separator with the polarization changing element interposed therebetween, the second polarization separator transmitting linearly polarized light polarized in a second direction and reflecting linearly polarized light polarized in a direction perpendicular to the second direction;
• and
• a light-reflecting layer that reflects light, placed opposite to said polarization changing element with the second polarization separator interposed therebetween;
• the light-reflecting layer including a pattern on a light-reflecting surface.

A display device, comprising:

• a first polarization separator that transmits linearly polarized light polarized in a first direction and that does not transmit linearly polarized light polarized in a direction perpendicular to the first direction;
• a polarization changing element disposed at position to receive the linearly polarized light transmitted from the first polarization separator, the polarization changing element selects one of a changing state and a non-changing state of a polarization of the transmitted linearly polarized light;
• a second polarization separator, placed opposite to said first polarization separator with the polarization changing element interposed therebetween, the second polarization separator transmits linearly polarized light polarized in a second direction and reflects linearly polarized light polarized in a direction perpendicular to the second direction;
• and
• a light-reflecting layer that reflects light, placed opposite to said polarization changing element with the second polarization separator interposed therebetween;
• the light-reflecting layer having characteristics such that a visually recognized state is changed in response to a viewing angle.

An electronic timepiece comprising:

• a first polarization separator that transmits linearly polarized light polarized on a first direction and that does not transmit linearly polarized light polarized in a direction perpendicular to the first direction;
• a polarization changing element disposed at a position to receive the linearly polarized light transmitted from the first polarization separator, the polarization changing element selecting between one of a changing state and a non-changing state of a polarization of the transmitted linearly polarized light;
• a second polarization separator, placed opposite to said first polarization separator with the polarization changing element interposed therebetween, the second polarization separator transmitting linearly polarized light polarized in a second direction and reflecting linearly polarized light polarized in a direction perpendicular to the second direction;
• and
• a light-reflecting layer that reflects light, placed opposite to said polarization changing element with the second polarization separator interposed therebetween;
• the light-reflecting layer having characteristics such that a visually recognized state is changed in response to a viewing angle.

The electronic timepiece, comprising:

• a first polarization separator that transmits linearly polarized light polarized in a first direction and that does not transmit linearly polarized light polarized in a direction perpendicular to the first direction;
• a polarization changing element disposed at a position to receive the linearly polarized light transmitted from the first polarization separator, the polarization changing element selecting between one of a changing state and a non-changing state of a polarization of the transmitted linearly polarized light;
• a second polarization separator placed opposite to said first polarization separator with the polarization changing element interposed therebetween, the second polarization separator transmitting linearly polarized light polarized in a second direction and reflecting linearly polarized light polarized in a direction perpendicular to the second direction;
• and
• a light-reflecting layer that reflects light, placed opposite to said polarization changing element with the second polarization separator interposed therebetween;
• the light-reflecting layer including a light-accumulative luminescent layer accumulating light as energy when an outside is bright, and emitting the accumulated energy as light when an outside is dark.

The electronic timepiece, comprising:

• a polarization changing element that changes a polarization direction;
• a first polarization separator having first and second sides and a second polarization separator having third and fourth sides, the first and second polarization separators placed on opposite sides of the polarization changing element;
• and
• a third polarization separator having fifth and sixth sides, the third polarization separator placed opposite to said polarization changing element with respect to the second polarization separator;
• said first polarization separator emitting, in a first direction, linearly polarized light incident on the first side to the second side and emitting, in the first direction, linearly polarized light incident on the second side to said first side;
• said second polarization separator transmitting, linearly polarized light incident on said third side, as linearly polarized light in a second direction, reflecting to said third side linearly polarized light in a first wavelength region of the light incident on said third side, in a third direction perpendicular to said second direction, as linearly polarized light in said third direction, and emitting to said fourth side, a linearly polarized light in a second wavelength region of the light incident on said third side, as linearly polarized light in a third direction;
• and
• said third polarization separator transmitting to the sixth side, linearly polarized light incident on said fifth side, as linearly polarized light in a fourth direction, reflecting to said fifth side linearly polarized light in a third wavelength region of the light incident on said fifth side, as linearly polarized light in a fifth direction, perpendicular to said fourth direction, and emitting to the sixth side, linearly polarized light in a fourth wavelength region of the light incident on said fifth side in said fifth direction.