Global Electro-optical Sensor Market Professional Survey Report 2017

January 2017 | 125 pages | ID: G25B1A4F215EN
QYResearch

Abstracts

Notes:

Production, means the output of Electro-optical Sensor

Revenue, means the sales value of Electro-optical Sensor

This report studies Electro-optical Sensor in Global market, especially in North America, China, Europe, Southeast Asia, Japan and India, with production, revenue, consumption, import and export in these regions, from 2011 to 2015, and forecast to 2021.

This report focuses on top manufacturers in global market, with production, price, revenue and market share for each manufacturer, covering

• Rohm
• ELMOS Semiconductor AG
• AVAGO TECHNOLOGIES LIMITED
• Vishay Siliconix
• Pixart Imaging Inc.
• Texas Advanced Optoelectronic Solutions
• Vishay Siliconix
• Optek Technologies
• Avago Technologies Limited
• Agilent(Hewlett-Packard)
• Sanyo Semicon Device
• Tdk Electronics
• Omron Electronics Llc
• Ams Ag
• Hamamatsu Corporation

By types, the market can be split into

• Photoconductive devices
• Photovoltaics
• Photodiodes
• Phototransistors

By Application, the market can be split into

• Digital technology
• Medical devices
• Engineering
• Agriculture

By Regions, this report covers (we can add the regions/countries as you want)

• North America
• China
• Europe
• Southeast Asia
• Japan
• India

Contents

Global Electro-optical Sensor Market Professional Survey Report 2017

1 INDUSTRY OVERVIEW OF ELECTRO-OPTICAL SENSOR

1.1 Definition and Specifications of Electro-optical Sensor
  1.1.1 Definition of Electro-optical Sensor
  1.1.2 Specifications of Electro-optical Sensor
1.2 Classification of Electro-optical Sensor
  1.2.1 Photoconductive devices
  1.2.2 Photovoltaics
  1.2.3 Photodiodes
  1.2.4 Phototransistors
1.3 Applications of Electro-optical Sensor
  1.3.1 Digital technology
  1.3.2 Medical devices
  1.3.3 Engineering
  1.3.4 Agriculture
1.4 Market Segment by Regions
  1.4.1 North America
  1.4.2 China
  1.4.3 Europe
  1.4.4 Southeast Asia
  1.4.5 Japan
  1.4.6 India

2 MANUFACTURING COST STRUCTURE ANALYSIS OF ELECTRO-OPTICAL SENSOR

2.1 Raw Material and Suppliers
2.2 Manufacturing Cost Structure Analysis of Electro-optical Sensor
2.3 Manufacturing Process Analysis of Electro-optical Sensor
2.4 Industry Chain Structure of Electro-optical Sensor

3 TECHNICAL DATA AND MANUFACTURING PLANTS ANALYSIS OF ELECTRO-OPTICAL SENSOR

3.1 Capacity and Commercial Production Date of Global Electro-optical Sensor Major Manufacturers in 2015
3.2 Manufacturing Plants Distribution of Global Electro-optical Sensor Major Manufacturers in 2015
3.3 R&D Status and Technology Source of Global Electro-optical Sensor Major Manufacturers in 2015
3.4 Raw Materials Sources Analysis of Global Electro-optical Sensor Major Manufacturers in 2015

4 GLOBAL ELECTRO-OPTICAL SENSOR OVERALL MARKET OVERVIEW

4.1 2011-2016 Overall Market Analysis
4.2 Capacity Analysis
  4.2.1 2011-2016 Global Electro-optical Sensor Capacity and Growth Rate Analysis
  4.2.2 2015 Electro-optical Sensor Capacity Analysis (Company Segment)
4.3 Sales Analysis
  4.3.1 2011-2016 Global Electro-optical Sensor Sales and Growth Rate Analysis
  4.3.2 2015 Electro-optical Sensor Sales Analysis (Company Segment)
4.4 Sales Price Analysis
  4.4.1 2011-2016 Global Electro-optical Sensor Sales Price
  4.4.2 2015 Electro-optical Sensor Sales Price Analysis (Company Segment)

5 ELECTRO-OPTICAL SENSOR REGIONAL MARKET ANALYSIS

5.1 North America Electro-optical Sensor Market Analysis
  5.1.1 North America Electro-optical Sensor Market Overview
  5.1.2 North America 2011-2016 Electro-optical Sensor Local Supply, Import, Export, Local Consumption Analysis
  5.1.3 North America 2011-2016 Electro-optical Sensor Sales Price Analysis
  5.1.4 North America 2015 Electro-optical Sensor Market Share Analysis
5.2 China Electro-optical Sensor Market Analysis
  5.2.1 China Electro-optical Sensor Market Overview
  5.2.2 China 2011-2016 Electro-optical Sensor Local Supply, Import, Export, Local Consumption Analysis
  5.2.3 China 2011-2016 Electro-optical Sensor Sales Price Analysis
  5.2.4 China 2015 Electro-optical Sensor Market Share Analysis
5.3 Europe Electro-optical Sensor Market Analysis
  5.3.1 Europe Electro-optical Sensor Market Overview
  5.3.2 Europe 2011-2016 Electro-optical Sensor Local Supply, Import, Export, Local Consumption Analysis
  5.3.3 Europe 2011-2016 Electro-optical Sensor Sales Price Analysis
  5.3.4 Europe 2015 Electro-optical Sensor Market Share Analysis
5.4 Southeast Asia Electro-optical Sensor Market Analysis
  5.4.1 Southeast Asia Electro-optical Sensor Market Overview
  5.4.2 Southeast Asia 2011-2016 Electro-optical Sensor Local Supply, Import, Export, Local Consumption Analysis
  5.4.3 Southeast Asia 2011-2016 Electro-optical Sensor Sales Price Analysis
  5.4.4 Southeast Asia 2015 Electro-optical Sensor Market Share Analysis
5.5 Japan Electro-optical Sensor Market Analysis
  5.5.1 Japan Electro-optical Sensor Market Overview
  5.5.2 Japan 2011-2016 Electro-optical Sensor Local Supply, Import, Export, Local Consumption Analysis
  5.5.3 Japan 2011-2016 Electro-optical Sensor Sales Price Analysis
  5.5.4 Japan 2015 Electro-optical Sensor Market Share Analysis
5.6 India Electro-optical Sensor Market Analysis
  5.6.1 India Electro-optical Sensor Market Overview
  5.6.2 India 2011-2016 Electro-optical Sensor Local Supply, Import, Export, Local Consumption Analysis
  5.6.3 India 2011-2016 Electro-optical Sensor Sales Price Analysis
  5.6.4 India 2015 Electro-optical Sensor Market Share Analysis

6 GLOBAL 2011-2016 ELECTRO-OPTICAL SENSOR SEGMENT MARKET ANALYSIS (BY TYPE)

6.1 Global 2011-2016 Electro-optical Sensor Sales by Type
6.2 Different Types of Electro-optical Sensor Product Interview Price Analysis
6.3 Different Types of Electro-optical Sensor Product Driving Factors Analysis
  6.3.1 Photoconductive devices of Electro-optical Sensor Growth Driving Factor Analysis
  6.3.2 Photovoltaics of Electro-optical Sensor Growth Driving Factor Analysis
  6.3.3 Photodiodes of Electro-optical Sensor Growth Driving Factor Analysis
  6.3.4 Phototransistors of Electro-optical Sensor Growth Driving Factor Analysis

7 GLOBAL 2011-2016 ELECTRO-OPTICAL SENSOR SEGMENT MARKET ANALYSIS (BY APPLICATION)

7.1 Global 2011-2016 Electro-optical Sensor Consumption by Application
7.2 Different Application of Electro-optical Sensor Product Interview Price Analysis
7.3 Different Application of Electro-optical Sensor Product Driving Factors Analysis
  7.3.1 Digital technology of Electro-optical Sensor Growth Driving Factor Analysis
  7.3.2 Medical devices of Electro-optical Sensor Growth Driving Factor Analysis
  7.3.3 Engineering of Electro-optical Sensor Growth Driving Factor Analysis
  7.3.4 Agriculture of Electro-optical Sensor Growth Driving Factor Analysis

8 MAJOR MANUFACTURERS ANALYSIS OF ELECTRO-OPTICAL SENSOR

8.1 Rohm
  8.1.1 Company Profile
  8.1.2 Product Picture and Specifications
    8.1.2.1 Photoconductive devices
    8.1.2.2 Photovoltaics
    8.1.2.3 Photodiodes
  8.1.3 Rohm 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.1.4 Rohm 2015 Electro-optical Sensor Business Region Distribution Analysis
8.2 ELMOS Semiconductor AG
  8.2.1 Company Profile
  8.2.2 Product Picture and Specifications
    8.2.2.1 Photoconductive devices
    8.2.2.2 Photovoltaics
    8.2.2.3 Photodiodes
  8.2.3 ELMOS Semiconductor AG 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.2.4 ELMOS Semiconductor AG 2015 Electro-optical Sensor Business Region Distribution Analysis
8.3 AVAGO TECHNOLOGIES LIMITED
  8.3.1 Company Profile
  8.3.2 Product Picture and Specifications
    8.3.2.1 Photoconductive devices
    8.3.2.2 Photovoltaics
    8.3.2.3 Photodiodes
  8.3.3 AVAGO TECHNOLOGIES LIMITED 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.3.4 AVAGO TECHNOLOGIES LIMITED 2015 Electro-optical Sensor Business Region Distribution Analysis
8.4 Vishay Siliconix
  8.4.1 Company Profile
  8.4.2 Product Picture and Specifications
    8.4.2.1 Photoconductive devices
    8.4.2.2 Photovoltaics
    8.4.2.3 Photodiodes
  8.4.3 Vishay Siliconix 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.4.4 Vishay Siliconix 2015 Electro-optical Sensor Business Region Distribution Analysis
8.5 Pixart Imaging Inc.
  8.5.1 Company Profile
  8.5.2 Product Picture and Specifications
    8.5.2.1 Photoconductive devices
    8.5.2.2 Photovoltaics
    8.5.2.3 Photodiodes
  8.5.3 Pixart Imaging Inc. 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.5.4 Pixart Imaging Inc. 2015 Electro-optical Sensor Business Region Distribution Analysis
8.6 Texas Advanced Optoelectronic Solutions
  8.6.1 Company Profile
  8.6.2 Product Picture and Specifications
    8.6.2.1 Photoconductive devices
    8.6.2.2 Photovoltaics
    8.6.2.3 Photodiodes
  8.6.3 Texas Advanced Optoelectronic Solutions 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.6.4 Texas Advanced Optoelectronic Solutions 2015 Electro-optical Sensor Business Region Distribution Analysis
8.7 Vishay Siliconix
  8.7.1 Company Profile
  8.7.2 Product Picture and Specifications
    8.7.2.1 Photoconductive devices
    8.7.2.2 Photovoltaics
    8.7.2.3 Photodiodes
  8.7.3 Vishay Siliconix 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.7.4 Vishay Siliconix 2015 Electro-optical Sensor Business Region Distribution Analysis
8.8 Optek Technologies
  8.8.1 Company Profile
  8.8.2 Product Picture and Specifications
    8.8.2.1 Photoconductive devices
    8.8.2.2 Photovoltaics
    8.8.2.3 Photodiodes
  8.8.3 Optek Technologies 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.8.4 Optek Technologies 2015 Electro-optical Sensor Business Region Distribution Analysis
8.9 Avago Technologies Limited
  8.9.1 Company Profile
  8.9.2 Product Picture and Specifications
    8.9.2.1 Photoconductive devices
    8.9.2.2 Photovoltaics
    8.9.2.3 Photodiodes
  8.9.3 Avago Technologies Limited 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.9.4 Avago Technologies Limited 2015 Electro-optical Sensor Business Region Distribution Analysis
8.10 Agilent(Hewlett-Packard)
  8.10.1 Company Profile
  8.10.2 Product Picture and Specifications
    8.10.2.1 Photoconductive devices
    8.10.2.2 Photovoltaics
    8.10.2.3 Photodiodes
  8.10.3 Agilent(Hewlett-Packard) 2015 Electro-optical Sensor Sales, Ex-factory Price, Revenue, Gross Margin Analysis
  8.10.4 Agilent(Hewlett-Packard) 2015 Electro-optical Sensor Business Region Distribution Analysis
8.11 Sanyo Semicon Device
8.12 Tdk Electronics
8.13 Omron Electronics Llc
8.14 Ams Ag
8.15 Hamamatsu Corporation

9 DEVELOPMENT TREND OF ANALYSIS OF ELECTRO-OPTICAL SENSOR MARKET

9.1 Global Electro-optical Sensor Market Trend Analysis
  9.1.1 Global 2016-2021 Electro-optical Sensor Market Size (Volume and Value) Forecast
  9.1.2 Global 2016-2021 Electro-optical Sensor Sales Price Forecast
9.2 Electro-optical Sensor Regional Market Trend
  9.2.1 North America 2016-2021 Electro-optical Sensor Consumption Forecast
  9.2.2 China 2016-2021 Electro-optical Sensor Consumption Forecast
  9.2.3 Europe 2016-2021 Electro-optical Sensor Consumption Forecast
  9.2.4 Southeast Asia 2016-2021 Electro-optical Sensor Consumption Forecast
  9.2.5 Japan 2016-2021 Electro-optical Sensor Consumption Forecast
  9.2.6 India 2016-2021 Electro-optical Sensor Consumption Forecast
9.3 Electro-optical Sensor Market Trend (Product Type)
9.4 Electro-optical Sensor Market Trend (Application)

10 ELECTRO-OPTICAL SENSOR MARKETING TYPE ANALYSIS

10.1 Electro-optical Sensor Regional Marketing Type Analysis
10.2 Electro-optical Sensor International Trade Type Analysis
10.3 Traders or Distributors with Contact Information of Electro-optical Sensor by Regions
10.4 Electro-optical Sensor Supply Chain Analysis

11 CONSUMERS ANALYSIS OF ELECTRO-OPTICAL SENSOR

11.1 Consumer 1 Analysis
11.2 Consumer 2 Analysis
11.3 Consumer 3 Analysis
11.4 Consumer 4 Analysis

12 CONCLUSION OF THE GLOBAL ELECTRO-OPTICAL SENSOR MARKET PROFESSIONAL SURVEY REPORT 2017

Methodology
Analyst Introduction
Data Source

The report requires updating with new data and is sent in 2-3 business days after order is placed.

List Of Tables

LIST OF TABLES AND FIGURES

Figure Picture of Electro-optical Sensor
Table Product Specifications of Electro-optical Sensor
Table Classification of Electro-optical Sensor
Figure Global Production Market Share of Electro-optical Sensor by Type in 2015
Figure Photoconductive devices Picture
Table Major Manufacturers of Photoconductive devices
Figure Photovoltaics Picture
Table Major Manufacturers of Photovoltaics
Figure Photodiodes Picture
Table Major Manufacturers of Photodiodes
Figure Phototransistors Picture
Table Major Manufacturers of Phototransistors
Table Applications of Electro-optical Sensor
Figure Global Consumption Volume Market Share of Electro-optical Sensor by Application in 2015
Figure Digital technology Examples
Table Major Consumers of Digital technology
Figure Medical devices Examples
Table Major Consumers of Medical devices
Figure Engineering Examples
Table Major Consumers of Engineering
Figure Agriculture Examples
Table Major Consumers of Agriculture
Figure Market Share of Electro-optical Sensor by Regions
Figure North America Electro-optical Sensor Market Size (2011-2021)
Figure China Electro-optical Sensor Market Size (2011-2021)
Figure Europe Electro-optical Sensor Market Size (2011-2021)
Figure Southeast Asia Electro-optical Sensor Market Size (2011-2021)
Figure Japan Electro-optical Sensor Market Size (2011-2021)
Figure India Electro-optical Sensor Market Size (2011-2021)
Table Electro-optical Sensor Raw Material and Suppliers
Table Manufacturing Cost Structure Analysis of Electro-optical Sensor in 2015
Figure Manufacturing Process Analysis of Electro-optical Sensor
Figure Industry Chain Structure of Electro-optical Sensor
Table Capacity and Commercial Production Date of Global Electro-optical Sensor Major Manufacturers in 2015
Table Manufacturing Plants Distribution of Global Electro-optical Sensor Major Manufacturers in 2015
Table R&D Status and Technology Source of Global Electro-optical Sensor Major Manufacturers in 2015
Table Raw Materials Sources Analysis of Global Electro-optical Sensor Major Manufacturers in 2015
Table Global Capacity, Sales, Price, Cost, Sales Revenue (M USD) and Gross Margin of Electro-optical Sensor 2011-2016
Figure Global 2011-2016 Electro-optical Sensor Market Size (Volume) and Growth Rate
Figure Global 2011-2016 Electro-optical Sensor Market Size (Value) and Growth Rate
Table 2011-2016 Global Electro-optical Sensor Capacity and Growth Rate
Table 2015 Global Electro-optical Sensor Capacity List (Company Segment)
Table 2011-2016 Global Electro-optical Sensor Sales and Growth Rate
Table 2015 Global Electro-optical Sensor Sales List (Company Segment)
Table 2011-2016 Global Electro-optical Sensor Sales Price
Table 2015 Global Electro-optical Sensor Sales Price List (Company Segment)
Figure North America Capacity Overview
Table North America Supply, Import, Export and Consumption of Electro-optical Sensor 2011-2016
Figure North America 2011-2016 Electro-optical Sensor Sales Price
Figure North America 2015 Electro-optical Sensor Sales Market Share
Figure China Capacity Overview
Table China Supply, Import, Export and Consumption of Electro-optical Sensor 2011-2016
Figure China 2011-2016 Electro-optical Sensor Sales Price
Figure China 2015 Electro-optical Sensor Sales Market Share
Figure Europe Capacity Overview
Table Europe Supply, Import, Export and Consumption of Electro-optical Sensor 2011-2016
Figure Europe 2011-2016 Electro-optical Sensor Sales Price
Figure Europe 2015 Electro-optical Sensor Sales Market Share
Figure Southeast Asia Capacity Overview
Table Southeast Asia Supply, Import, Export and Consumption of Electro-optical Sensor 2011-2016
Figure Southeast Asia 2011-2016 Electro-optical Sensor Sales Price
Figure Southeast Asia 2015 Electro-optical Sensor Sales Market Share
Figure Japan Capacity Overview
Table Japan Supply, Import, Export and Consumption of Electro-optical Sensor 2011-2016
Figure Japan 2011-2016 Electro-optical Sensor Sales Price
Figure Japan 2015 Electro-optical Sensor Sales Market Share
Figure India Capacity Overview
Table India Supply, Import, Export and Consumption of Electro-optical Sensor 2011-2016
Figure India 2011-2016 Electro-optical Sensor Sales Price
Figure India 2015 Electro-optical Sensor Sales Market Share
Table Global 2011-2016 Electro-optical Sensor Sales by Type
Table Different Types Electro-optical Sensor Product Interview Price
Table Global 2011-2016 Electro-optical Sensor Sales by Application
Table Different Application Electro-optical Sensor Product Interview Price
Table Rohm Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 Rohm Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 Rohm 2015 Electro-optical Sensor Business Region Distribution
Table ELMOS Semiconductor AG Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 ELMOS Semiconductor AG Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 ELMOS Semiconductor AG 2015 Electro-optical Sensor Business Region Distribution
Table AVAGO TECHNOLOGIES LIMITED Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 AVAGO TECHNOLOGIES LIMITED Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 AVAGO TECHNOLOGIES LIMITED 2015 Electro-optical Sensor Business Region Distribution
Table Vishay Siliconix Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 Vishay Siliconix Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 Vishay Siliconix 2015 Electro-optical Sensor Business Region Distribution
Table Pixart Imaging Inc. Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 Pixart Imaging Inc. Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 Pixart Imaging Inc. 2015 Electro-optical Sensor Business Region Distribution
Table Texas Advanced Optoelectronic Solutions Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 Texas Advanced Optoelectronic Solutions Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 Texas Advanced Optoelectronic Solutions 2015 Electro-optical Sensor Business Region Distribution
Table Vishay Siliconix Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 Vishay Siliconix Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 Vishay Siliconix 2015 Electro-optical Sensor Business Region Distribution
Table Optek Technologies Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 Optek Technologies Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 Optek Technologies 2015 Electro-optical Sensor Business Region Distribution
Table Avago Technologies Limited Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 Avago Technologies Limited Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 Avago Technologies Limited 2015 Electro-optical Sensor Business Region Distribution
Table Agilent(Hewlett-Packard) Information List
Table Photoconductive devices Electro-optical Sensor Overview
Table Photovoltaics Electro-optical Sensor Overview
Table 2015 Agilent(Hewlett-Packard) Electro-optical Sensor Revenue, Sales, Ex-factory Price
Figure 2015 Agilent(Hewlett-Packard) 2015 Electro-optical Sensor Business Region Distribution
Table Sanyo Semicon Device Information List
Table Tdk Electronics Information List
Table Omron Electronics Llc Information List
Table Ams Ag Information List
Table Hamamatsu Corporation Information List
Figure Global 2016-2021 Electro-optical Sensor Market Size (Volume) and Growth Rate Forecast
Figure Global 2016-2021 Electro-optical Sensor Market Size (Value) and Growth Rate Forecast
Figure Global 2016-2021 Electro-optical Sensor Sales Price Forecast
Figure North America 2016-2021 Electro-optical Sensor Consumption Volume and Growth Rate Forecast
Figure China 2016-2021 Electro-optical Sensor Consumption Volume and Growth Rate Forecast
Figure Europe 2016-2021 Electro-optical Sensor Consumption Volume and Growth Rate Forecast
Figure Southeast Asia 2016-2021 Electro-optical Sensor Consumption Volume and Growth Rate Forecast
Figure Japan 2016-2021 Electro-optical Sensor Consumption Volume and Growth Rate Forecast
Figure India 2016-2021 Electro-optical Sensor Consumption Volume and Growth Rate Forecast
Table Global Sales Volume of Electro-optical Sensor by Types 2016-2021
Table Global Consumption Volume of Electro-optical Sensor by Applications 2016-2021
Table Traders or Distributors with Contact Information of Electro-optical Sensor by Regions