Display component and electronic device

• US 9,632,743 B2
• Filed: 06/30/2015
• Issued: 04/25/2017
• Est. Priority Date: 03/31/2015
• Status: Active Grant

• Current Assignee: Lenovo Company Limited (Lenovo Group Ltd.)
• Original Assignee: Lenovo Company Limited (Lenovo Group Ltd.)
• Inventors: Zou, Chenggang, Zheng, Xiaopan, Shang, Ke
• Primary Examiner(s): Natnael, Paulos M
• Application Number:
  US14/755,979
• Publication Number:
  US 20160291913A1
• Time in Patent Office: 665 Days
• Field of Search: 348790-792, 348 46, 353 20, 353 31
• CPC Class Codes: G02B 2027/011 comprising device for correcting geometrical aberrations, distortion
• CPC Class Codes: G02B 2027/0123 comprising devices increasing the field of view
• CPC Class Codes: G02B 27/0101 characterised by optical features G02B27/0172 takes precedence
• CPC Class Codes: G02B 27/1066 for enhancing image performance, like resolution, pixel numbers, dual magnifications or dynamic range, by tiling, slicing or overlapping fields of view
• CPC Class Codes: G02B 27/144 using partially transparent surfaces without spectral selectivity G02B27/147 takes precedence
• CPC Class Codes: G02B 27/145 having sequential partially reflecting surfaces
• CPC Class Codes: G02B 27/283 used for beam splitting or combining
• CPC Class Codes: G02B 27/285 comprising arrays of elements, e.g. microprisms
• CPC Class Codes: G02F 1/13362 providing polarized light, e.g. by converting a polarisation component into another one
• CPC Class Codes: G06F 3/1423 controlling a plurality of local displays, e.g. CRT and flat panel display
• CPC Class Codes: G06F 3/147 using display panels
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2310/0278 Details of driving circuits arranged to drive both scan and data electrodes
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters

Abstract

A display component and an electronic device using the display component are described. The display component includes a light source unit configured to emit source light; at least two beam splitting units configured to receive the source light and generate at least two reflected lights, wherein directions of the at least two reflected lights match with each other; a display unit configured to receive the at least two reflected lights and adjust the at least two reflected lights to become initial light by adding information of an image to be displayed into the at least two reflected light.

Claims

1. A display component comprising:

a light source unit configured to emit source light;

at least two beam splitting units configured to receive the source light and generate at least two reflected lights, wherein directions of the at least two reflected lights match with each other;

a display unit configured to receive the at least two reflected lights and adjust the at least two reflected lights to become initial light by adding information of an image to be displayed into the at least two reflected light,

wherein the initial light is light reflected by the display unit, and the at least two beam splitting units are within an irradiation area of the initial light, and a transmittance in the direction of the initial light exceeds a first threshold, so that the initial light transmits through the at least two beam splitting units,

and an angle between the direction of the initial light and the direction of the source light satisfies a second threshold.

2. The display component of claim 1, wherein a first beam splitting unit of the at least two beam splitting units is provided within an irradiation area of the light source light and splits the light source light into first reflected light and first transmitted light, a second beam splitting unit of the at least two beam splitting units is provided within an irradiation area of the first transmitted light and partially converts the first transmitted light into second reflected light, a direction of the second reflected light matches with a direction of the first reflected light.

3. The display component of claim 2, wherein an intensity difference between the first reflected light and the second reflected light is less than a third threshold, so that a difference between a maximum intensity and a minimum intensity in the initial light is less than a fourth threshold.

4. The display component of claim 3, wherein each of the at least two beam splitting units is cemented by two rectangular prisms, a cemented surface thereof is coated with at least one film layer that determines an intensity proportion of light reflected an transmitted by each of the at least two beam splitting units.

5. The display component of claim 1, wherein a thickness of the at least two beam splitting units in an exit direction of the initial light is less than a width of the display unit in an incident direction of the source light.

6. The display component of claim 1, wherein the at least two beam splitting units further comprise a third beam splitting unit provided within an irradiation area of the second transmitted light, and configured to at least partially convert the second transmitted light to third reflected light when the second beam splitting unit splits the first transmitted light into the second reflected light and the second transmitted light, a direction of the third reflected light matches with a direction of the first reflected light, the display unit is located within an irradiation area of the third reflected light.

7. The display component of claim 2, wherein the at least two beam splitting units are two polarization beam splitting units, and the first reflected light and the second reflected light are polarized light having an identical first polarized state.

8. The display component of claim 7, further comprising a polarization converting unit provided, after a predetermined beam splitting unit of the at least two beam splitting unit completely reflects the polarized light in the first polarized state, within an irradiation area of polarized light transmitting through the predetermined beam splitting unit and in a second polarized state, and configured to convert the polarized light in the second polarized state to the polarized light in the first polarized state.

9. The display component of claim 2, wherein the least two beam splitting units are N beam splitting units, N is an even number larger than or equal to 2, the first reflected light to the N-th reflected light is polarized light having an identical first polarized state, an intensity difference between the first reflected light to the N-th reflected light is less than a third threshold, so that a difference between a maximum intensity and a minimum intensity in the initial light is less than a fourth threshold.

10. The display component of claim 9, wherein each of the N beam splitting units is cemented by two rectangular prisms, a cemented surface thereof is coated with at least one film layer that determines an intensity proportion of light reflected an transmitted by each of the N beam splitting units, so that intensity of light reflected by each of the N beam splitting units is I/N of the intensity of the source light;

and the display component further comprises a polarization converting unit, provided within an irradiation area of polarized light transmitting through N/2-th beam splitting unit and in a second polarized state, and configured to convert the polarized light in the second polarized state to the polarized light in the first polarized state.

11. A display component comprising:

a light source unit configured to emit source light;

a first polarization unit configured to at least partially convert the source light into first reflected light, which is polarized light in a first polarized state;

a display unit configured to receive the first reflected light and adjust the first reflected light to become initial light by adding information of an image to be displayed into the first reflected light,

wherein a thickness of the first polarization unit in an exit direction of the initial light is less than a width of the display unit in an incident direction of the source light and the first polarization unit is a polarization beam splitting unit, the first polarization beam splitting unit splits the source light into first reflected light and second transmitted light, the display component further comprises;

a second polarization beam splitting unit provided within an irradiation area of the first transmitted light that transmits through the first polarization beam splitting unit, and configured to at least partially convert the first transmitted light into second reflected light, a direction of the second reflected light matches with a direction of the first reflected light,

the display unit is provided within an irradiation area of the first reflected light and the second reflected light, and causes the first reflected light and the second reflected light to become initial light corresponding to the image under irradiation of the first reflected light and the second reflected light.

12. The display component of claim 11, wherein the initial light is light reflected by the display unit, and the first polarization unit is within an irradiation area of the initial light, and a transmittance in the direction of the initial light exceeds a first threshold, so that the initial light transmits through the first polarization unit,

and an angle between the direction of the initial light and the direction of the source light satisfies a second threshold.

13. An electronic device comprising:

a processing component configured to generate a first image to be displayed and execute display control;

a display component configured to execute display of the first image and including;

a light source unit configured to emit source light;

at least two beam splitting units configured to receive the source light and generate at least two reflected lights, wherein directions of the at least two reflected lights match with each other;

a display unit configured to receive the at least two reflected lights and adjust the at least two reflected lights to become initial light by adding information of an image to be displayed into the at least two reflected light,

wherein the initial light is light reflected by the display unit, and the at least two beam splitting units are within an irradiation area of the initial light, and a transmittance in the direction of the initial light exceeds a first threshold, so that the initial light transmits through the at least two beam splitting units,

and an angle between the direction of the initial light and the direction of the source light satisfies a second threshold.

14. The electronic device of claim 13, wherein a first beam splitting unit of the at least two beam splitting units is provided within an irradiation area of the light source light and splits the light source light into first reflected light and first transmitted light, a second beam splitting unit of the at least two beam splitting units is provided within an irradiation area of the first transmitted light and partially converts the first transmitted light into second reflected light, a direction of the second reflected light matches with a direction of the first reflected light.

15. The electronic device of claim 13, further comprising a first display apparatus in which the display component is provided and which includes a light path converting component configured to receive and perform light path conversion on the light corresponding to the first image and coming from the first display component to thereby form a virtual image corresponding to the first image, so that a viewer at a particular position perceives the virtual image corresponding to the first image, wherein a size of the virtual image perceived is greater than a display size of the display component.

16. The electronic device of claim 15, further comprising:

a body apparatus;

a fixing apparatus connected with the body apparatus and configured to fix a position relationship relative to a user of the electronic device,

wherein the processing component is provided in the body apparatus, the first display component is provided in the body apparatus and/or the fixing apparatus, and

the fixing apparatus includes at least a fixed state in which the fixing apparatus serves as at least a portion of an annular space or an approximate annular space that satisfies a first predetermined condition, the annular space or the approximate annular space surrounds periphery of a columnar body that satisfies a second predetermined condition.

17. The electronic device of claim 16, further comprising a second display unit provided on the body apparatus and/or the fixing apparatus and configured to output a second image, wherein the first display unit and the second display unit are display units that follow different display principles, and

the first display unit has a first visible area, light corresponding to the first image exits from the first visible area, the second display unit has a second visible area, light corresponding to the second image exits from the second visible area, and shape of the first visible area and shape of the second visible area are different.

18. The electronic device of claim 15, wherein the light path converting component comprises a collimating unit and a wave guide unit, the collimating unit is configured to collimate the initial light corresponding to the first image and coming from the display component into collimated light corresponding to the first image and guide the same into the wave guide unit, the waveguide unit is configured to guide the collimated light corresponding to the first image and coming from the collimating unit to the particular position.